front 1 QNT 275 WEEK 1 Statistics in Business ( NEW Original )  back 1 QNT 275 WEEK 1 Statistics in Business ( NEW Original ) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week1statisticsinbusinessneworiginal/ QNT 275 WEEK 1 Statistics in Business ( NEW ) QNT 275 WEEK 1 Statistics in Business ( NEW ) 
front 2 QNT 275 WEEK 2 Activity Data Set (NEW Original)  back 2 QNT 275 WEEK 2 Activity Data Set (NEW Original) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week2activitydatasetneworiginal/ QNT 275 WEEK 2 Activity Data Set (NEW)QNT 275 WEEK 2 Activity Data Set (NEW)QNT 275 WEEK 2 Activity Data Set 
front 3 QNT 275 WEEK 2 QUIZ (NEW ORIGINAL)  back 3 QNT 275 WEEK 2 QUIZ (NEW ORIGINAL) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week2quizneworiginal/ QNT 275 WEEK 2 QUIZ (NEW ORIGINAL) A stemandleaf diagram is constructed by separating each value of a data set into two parts. What are these parts? Stem consisting of the last digit and leaf consisting of the leftmost digits Stem consisting of the second digit and leaf consisting of the last digit Stem consisting of the leftmost digits and leaf consisting of the second digit Stem consisting of the leftmost digits and leaf consisting of the last digit ABC Plumbing wants to understand its customers’ perceptions of the quality of the company’s plumbing service calls. They plan to survey a sample of its customer base. What will ABC need to do to ensure that their data is valid and reliable? The survey must include items that ask customers to rate the appearance of the plumbing store, the survey must include all customers, and the survey method must include setting up a table outside the local dollar store. The survey must include items that ask customers about their plumbing experiences, the survey sample must include the first 15 customers off the customer database, and the survey method must be repeatable. The survey must include items that ask customers to rate the quality of plumbing service calls, the survey sample must represent all parts of the customer population, and the survey method must be repeatable. The survey must include items that ask customers to rate the friendliness of the receptionist, the survey must include all customers from the north side of the city, and the survey method must appeal to all respondents. Which of the following represents a population and a sample from that population? Freshmen at St. Joseph’s University and basketball players at St. Joseph’s University Fans at a concert who purchase tshirts and fans at a concert who purchase soda Teachers in a high school and members of the parent teacher group Residents of Albany, New York, and registered voters in Albany, New York A recent survey of 200 small firms (annual revenue less than $10 million) asked whether an increase in the minimum wage would cause the firm to decrease capital spending. Possible responses to the survey question were: “Yes,” “No,” or “Don’t Know.” These data are best classified as ____________. Nominal Scale Ratio Scale Interval Scale Ordinal Scale Which of the following variables is quantitative? Marital Status Temperature Religious Affiliation Gender A population consists of _________________. a subject of interest in a statistical problem all items of interest in a statistical problem all items of interest in a sample a subject of interest in a sample Which of the following variables is qualitative? Weight Gender Temperature Height QNT 275 WEEK 2 QUIZ The accompanying chart shows the numbers of books written by each author in a collection of cookbooks. What type of chart is this? Bar chart for qualitative data Frequency histogram for qualitative data Frequency histogram for quantitative data Bar chart for quantitative data In order to summarize qualitative data a useful tool is a __________. Histogram StemandLeaf Diagram Line Graph Frequency Distribution QNT 275 WEEK 2 QUIZ A stemandleaf diagram is constructed by separating each value of a data set into two parts. What are these parts? Stem consisting of the last digit and leaf consisting of the leftmost digits Stem consisting of the second digit and leaf consisting of the last digit Stem consisting of the leftmost digits and leaf consisting of the second digit Stem consisting of the leftmost digits and leaf consisting of the last digit ABC Plumbing wants to understand its customers’ perceptions of the quality of the company’s plumbing service calls. They plan to survey a sample of its customer base. What will ABC need to do to ensure that their data is valid and reliable? The survey must include items that ask customers to rate the appearance of the plumbing store, the survey must include all customers, and the survey method must include setting up a table outside the local dollar store. The survey must include items that ask customers about their plumbing experiences, the survey sample must include the first 15 customers off the customer database, and the survey method must be repeatable. The survey must include items that ask customers to rate the quality of plumbing service calls, the survey sample must represent all parts of the customer population, and the survey method must be repeatable. The survey must include items that ask customers to rate the friendliness of the receptionist, the survey must include all customers from the north side of the city, and the survey method must appeal to all respondents. QNT 275 WEEK 2 QUIZ Which of the following represents a population and a sample from that population? Freshmen at St. Joseph’s University and basketball players at St. Joseph’s University Fans at a concert who purchase tshirts and fans at a concert who purchase soda Teachers in a high school and members of the parent teacher group Residents of Albany, New York, and registered voters in Albany, New York A recent survey of 200 small firms (annual revenue less than $10 million) asked whether an increase in the minimum wage would cause the firm to decrease capital spending. Possible responses to the survey question were: “Yes,” “No,” or “Don’t Know.” These data are best classified as ____________. Nominal Scale Ratio Scale Interval Scale Ordinal Scale Which of the following variables is quantitative? Marital Status Temperature Religious Affiliation Gender QNT 275 WEEK 2 QUIZ A population consists of _________________. a subject of interest in a statistical problem all items of interest in a statistical problem all items of interest in a sample a subject of interest in a sample Which of the following variables is qualitative? Weight Gender Temperature Height The accompanying chart shows the numbers of books written by each author in a collection of cookbooks. What type of chart is this? Bar chart for qualitative data Frequency histogram for qualitative data Frequency histogram for quantitative data Bar chart for quantitative data In order to summarize qualitative data a useful tool is a __________. Histogram StemandLeaf Diagram Line Graph Frequency Distribution 
front 4 QNT 275 WEEK 3 CLO BUSINESS DECISION MAKING PROJECT PART 1 (NEW ORIGINAL)  back 4 QNT 275 WEEK 3 CLO BUSINESS DECISION MAKING PROJECT PART 1 (NEW ORIGINAL) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week3clobusinessdecisionmakingprojectpart1neworiginal/ QNT 275 WEEK 3 CLO BUSINESS DECISION MAKING PROJECT PART 1 (NEW ORIGINAL) Identify a business problem or opportunity at a company where you work or with which you’re familiar. This will be a business problem that you use for the individual assignments in Week 35. You will chose a company and identify an opportunity or problem that you can analyze and thus better understand that problem or opportunity. Identify a research variable within the problem/opportunity that could be measured with some type of data collection. Consider methods for collecting a suitable sample of either qualitative or quantitative data for the variable. Consider how you will know if the data collection method would be valid and reliable. Write a 700 to 1,050word description of the company, problem, and variable. Include in your submission:
QNT 275 WEEK 3 CLO Business Decision Making Project Part 1QNT 275 WEEK 3 CLO Business Decision Making Project Part 1 Identify a business problem or opportunity at a company where you work or with which you’re familiar. This will be a business problem that you use for the individual assignments in Week 35. You will chose a company and identify an opportunity or problem that you can analyze and thus better understand that problem or opportunity. Identify a research variable within the problem/opportunity that could be measured with some type of data collection. Consider methods for collecting a suitable sample of either qualitative or quantitative data for the variable. Consider how you will know if the data collection method would be valid and reliable. Write a 700 to 1,050word description of the company, problem, and variable. Include in your submission:

front 5 QNT 275 WEEK 3 QUIZ (NEW ORIGINAL)  back 5 QNT 275 WEEK 3 QUIZ (NEW ORIGINAL) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week3quizneworiginal/ QNT 275 WEEK 3 QUIZ (NEW ORIGINAL) The probability that a normal random variable is less than its mean is ____. 0.5 Cannot be determined 1.0 0.0 Mutually exclusive and collectively exhaustive events _______________. do not have to contain all outcomes in a sample space and may share common outcomes contain all outcomes in a sample space and do not share common outcomes. contain all outcomes in a sample space and may share common outcomes do not have to contain all outcomes in a sample space but do not share common outcomes A continuous random variable has the uniform distribution on the interval [a, b] if its probability density functionf(x) ___________. is bellshaped between a and b is constant for all x between a and b, and 0 otherwise asymptotically approaches the x axis when x increases to +∞ or decreases to ∞ is symmetric around its mean What is probability? A value between 0 and 1 assigned to an event that measures the likelihood of its occurrence. Any value between 0 and 1 is always treated as a probability of an event. A value between 0 and 1 assigned to an event that measures the unlikelihood of its occurrence. A numerical value assigned to an event that measures the number of its occurrences. For any normally distributed random variable with mean μ and standard deviation σ, the percent of the observations that fall between and is closest to _______. 95% 32% 68% 16% Which of the following can be represented by a continuous random variable? The number of arrivals to a drivethru bank window in a fourhour period The number of defective light bulbs in a sample of 5 The time of a flight between Chicago and New York The score of a randomly selected student on a fivequestion multiplechoice quiz What does it mean when we say that the tails of the normal curve are asymptotic to the x axis? The tails get closer and closer to the x axis and eventually cross this axis. The tails get closer and closer to the x axis but never touch it. The tails get closer and closer to the x axis and eventually become this axis. The tails gets closer and closer to the x axis and eventually touch it. Which of the following is correct? A continuous random variable has a probability mass function, and a discrete random variable has a probability density function. A continuous random variable has a probability density function but not a cumulative distribution function. A continuous random variable has a probability density function, and a discrete random variable has a probability mass function. A discrete random variable has a probability mass function but not a cumulative distribution function. QNT 275 WEEK 3 QUIZ You work in marketing for a company that produces work boots. Quality control has sent you a memo detailing the length of time before the boots wear out under heavy use. They find that the boots wear out in an average of 208 days, but the exact amount of time varies, following a normal distribution with a standard deviation of 14 days. For an upcoming ad campaign, you need to know the percent of the pairs that last longer than six monthsthat is, 180 days. Use the empirical rule to approximate this percent. 2.5% 5% 97.5% 95% QNT 275 WEEK 3 QUIZ Which of the following can be represented by a discrete random variable? The number of obtained spots when rolling a sixsided die The height of college students The finishing time of participants in a crosscountry meet The average outside temperature taken every day for two weeks QNT 275 WEEK 3 QUIZ QNT 275 WEEK 3 QUIZ The probability that a normal random variable is less than its mean is ____. 0.5 Cannot be determined 1.0 0.0 Mutually exclusive and collectively exhaustive events _______________. do not have to contain all outcomes in a sample space and may share common outcomes contain all outcomes in a sample space and do not share common outcomes. contain all outcomes in a sample space and may share common outcomes do not have to contain all outcomes in a sample space but do not share common outcomes A continuous random variable has the uniform distribution on the interval [a, b] if its probability density functionf(x) ___________. is bellshaped between a and b is constant for all x between a and b, and 0 otherwise asymptotically approaches the x axis when x increases to +∞ or decreases to ∞ is symmetric around its mean What is probability? QNT 275 WEEK 3 QUIZ A value between 0 and 1 assigned to an event that measures the likelihood of its occurrence. Any value between 0 and 1 is always treated as a probability of an event. A value between 0 and 1 assigned to an event that measures the unlikelihood of its occurrence. A numerical value assigned to an event that measures the number of its occurrences. For any normally distributed random variable with mean μ and standard deviation σ, the percent of the observations that fall between and is closest to _______. 95% 32% 68% 16% QNT 275 WEEK 3 QUIZ Which of the following can be represented by a continuous random variable? The number of arrivals to a drivethru bank window in a fourhour period The number of defective light bulbs in a sample of 5 The time of a flight between Chicago and New York The score of a randomly selected student on a fivequestion multiplechoice quiz What does it mean when we say that the tails of the normal curve are asymptotic to the x axis? The tails get closer and closer to the x axis and eventually cross this axis. The tails get closer and closer to the x axis but never touch it. The tails get closer and closer to the x axis and eventually become this axis. The tails gets closer and closer to the x axis and eventually touch it. Which of the following is correct? A continuous random variable has a probability mass function, and a discrete random variable has a probability density function. A continuous random variable has a probability density function but not a cumulative distribution function. A continuous random variable has a probability density function, and a discrete random variable has a probability mass function. A discrete random variable has a probability mass function but not a cumulative distribution function. You work in marketing for a company that produces work boots. Quality control has sent you a memo detailing the length of time before the boots wear out under heavy use. They find that the boots wear out in an average of 208 days, but the exact amount of time varies, following a normal distribution with a standard deviation of 14 days. For an upcoming ad campaign, you need to know the percent of the pairs that last longer than six monthsthat is, 180 days. Use the empirical rule to approximate this percent. 2.5% 5% 97.5% 95% QNT 275 WEEK 3 QUIZ Which of the following can be represented by a discrete random variable? The number of obtained spots when rolling a sixsided die The height of college students The finishing time of participants in a crosscountry meet The average outside temperature taken every day for two weeks 
front 6 QNT 275 WEEK 4 CLO BUSINESS DECISION MAKING PROJECT PART 2 (NEW ORIGINAL)  back 6 QNT 275 WEEK 4 CLO BUSINESS DECISION MAKING PROJECT PART 2 (NEW ORIGINAL) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week4clobusinessdecisionmakingprojectpart2neworiginal/ QNT 275 WEEK 4 CLO Business Decision Making Project Part 2 Use the same business problem/opportunity and research variable you wrote about in Week 3. Remember: Do not actually collect any data; think hypothetically. Write a 700 to 1,050word summary in which you:
Format your paper consistent with APA guidelines using the template at right. Click the Assignment Files tab to submit your assignment. QNT 275 WEEK 4 CLO Business Decision Making Project Part 2QNT 275 WEEK 4 CLO Business Decision Making Project Part 2 Use the same business problem/opportunity and research variable you wrote about in Week 3. Remember: Do not actually collect any data; think hypothetically. Write a 700 to 1,050word summary in which you:
Format your paper consistent with APA guidelines using the template at right. Click the Assignment Files tab to submit your assignment. 
front 7 QNT 275 WEEK 4 QUIZ (NEW ORIGINAL)  back 7 QNT 275 WEEK 4 QUIZ (NEW ORIGINAL) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week4quizneworiginal/ QNT 275 WEEK 4 QUIZ (NEW ORIGINAL) Consider the following simple linear regression model: The response variable is: β0 y x ε The standard error of the estimate measures: the variability of the values of the sample regression coefficients. the variability of the observed yvalues around the predicted yvalues. the variability of the predicted yvalues around the mean of the observed yvalues. the variability of the explanatory variables. Consider the following simple linear regression model: β0 and β1 are: the explanatory variables. the random error terms. the response variables. the unknown parameters. Another name for an explanatory variable is the ___. dependent variable independent variable inferred variable descriptive variable For a given set of explanatory variables in general: the width of a confidence interval is the same as the width of a prediction interval. a confidence interval is wider than a prediction interval. a confidence interval is narrower than a prediction interval. The width of a confidence interval cannot be determined. In a simple linear regression model if the plots on a scatter diagram lie on a straight line what is the standard error of the estimate? Infinity +1 0 1 What is the name of the variable that’s used to predict another variable? Explanatory Standard Error of the Estimate Coefficient of Determination Response Serial correlation is typically observed in: crosssectional data. time series data. sparse data. outliers. Which of the following violates the assumptions of regression analysis? The error term is correlated with an explanatory variable. The error term has a zero mean. The error term is normally distributed. The error term has a constant variance. Which of the following variables is not qualitative? Gender of a person Student’s status (freshman, sophomore, etc.) Religious affiliation Number of dependents claimed on a tax return QNT 275 WEEK 4 QUIZ QNT 275 week 4 quiz Consider the following simple linear regression model: The response variable is: β0 y x ε The standard error of the estimate measures: the variability of the values of the sample regression coefficients. the variability of the observed yvalues around the predicted yvalues. the variability of the predicted yvalues around the mean of the observed yvalues. the variability of the explanatory variables. Consider the following simple linear regression model: β0 and β1 are: the explanatory variables. the random error terms. the response variables. the unknown parameters. QNT 275 WEEK 4 QUIZ Another name for an explanatory variable is the ___. dependent variable independent variable inferred variable descriptive variable For a given set of explanatory variables in general: the width of a confidence interval is the same as the width of a prediction interval. a confidence interval is wider than a prediction interval. a confidence interval is narrower than a prediction interval. The width of a confidence interval cannot be determined. In a simple linear regression model if the plots on a scatter diagram lie on a straight line what is the standard error of the estimate? Infinity +1 0 1 QNT 275 WEEK 4 QUIZ What is the name of the variable that’s used to predict another variable? Explanatory Standard Error of the Estimate Coefficient of Determination Response Serial correlation is typically observed in: crosssectional data. time series data. sparse data. outliers. Which of the following violates the assumptions of regression analysis? The error term is correlated with an explanatory variable. The error term has a zero mean. The error term is normally distributed. The error term has a constant variance. QNT 275 WEEK 4 QUIZ Which of the following variables is not qualitative? Gender of a person Student’s status (freshman, sophomore, etc.) Religious affiliation Number of dependents claimed on a tax return 
front 8 QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL)  back 8 QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) BUY ANSWERS: http://classtutor.com/doc/qnt275/qnt275week5clobusinessdecisionmakingprojectpart3signatureassignmentneworiginal/
QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3
SIGNATURE ASSIGNMENT (NEW ORIGINAL)
Prepare an 11 to 15slide Microsoft® PowerPoint®
presentation for the senior management team based on the
Include on the slides what you’d want the audience to see (include appropriate visual aids/layout) and include in the Speaker’s Notes section what you’d say as you present each slide. If any source material is quoted or paraphrased in the presentation, use APA citations and references. Click the Assignment Files tab to submit your presentation. QNT 275 WEEK 5 CLO Business Decision Making Project Part 3 Signature Assignment Prepare an 11 to 15slide Microsoft® PowerPoint® presentation for the senior management team based on the business problem or opportunity you described in Week 3 and 4. Draw on material you developed in the Week 3 and 4 assignments. Include the following in your presentation:
Include on the slides what you’d want the audience to see (include appropriate visual aids/layout) and include in the Speaker’s Notes section what you’d say as you present each slide. If any source material is quoted or paraphrased in the presentation, use APA citations and references. Click the Assignment Files tab to submit your presentation. QNT 275 WEEK 5 CLO Business Decision Making Project Part 3 Signature AssignmentQNT 275 WEEK 5 CLO Business Decision Making Project Part 3 Signature Assignment QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) QNT 275 WEEK 5 CLO BUSINESS DECISION MAKING PROJECT PART 3 SIGNATURE ASSIGNMENT (NEW ORIGINAL) 