Exam 17: Business Analytics

True or False: In multidimensional scaling, the general rule in to increase the number of dimensions as long as the stress statistic increases substantially.

Which of the following is NOT one of the categories of predictive analytics methods?

True or False: The result of the regression tree is affected by the distribution of the independent variables.

SCENARIO 17-4 The regression tree below was obtained for predicting the weekend box office revenue of a newly released movie (in thousands of dollars)based on data collected in different cities on the expenditure (at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV. Business Analytics 17-15 -True or False: Referring to Scenario 17-4, the first split occurs at $45 thousand spent on TV advertising.

True or False: Neural networks does not make any a priori assumption about the distribution of the data and, hence, are nonparametric methods.

SCENARIO 17-7 The output below shows the results of cluster analysis on the different regions of the world (North America, Asia Pacific, Western Europe, Central & Eastern Europe, Latin America, and Middle East & Africa)based on the amounts (in billions of US dollars)and the percentage changes from prior year of business-to-consumer ecommerce sales last year. 17-24 Business Analytics -True or False: Referring to Scenario 17-7, North America and Western Europe are the second groups of countries that cluster together.

Which of the following explores business activities that have occurred or are occurring in the Present moment?

SCENARIO 17-7 The output below shows the results of cluster analysis on the different regions of the world (North America, Asia Pacific, Western Europe, Central & Eastern Europe, Latin America, and Middle East & Africa)based on the amounts (in billions of US dollars)and the percentage changes from prior year of business-to-consumer ecommerce sales last year. 17-24 Business Analytics -True or False: Referring to Scenario 17-7, the "complete" method is used to measure the distance between objects within a cluster.

Which of the following is NOT among the predictive analytics methods covered in the book?

True or False: Data mining is used mostly in the mining industry.

SCENARIO 17-4 The regression tree below was obtained for predicting the weekend box office revenue of a newly released movie (in thousands of dollars)based on data collected in different cities on the expenditure (at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV. Business Analytics 17-15 -True or False: Referring to Scenario 17-4, the highest mean weekend box office revenue is predicted to occur with $30 thousand spent on TV advertisement and 30 advertisement appearances a day.

True or False: Some business analytics are performed by adding variables to see if unforeseen relationships are uncovered.

SCENARIO 17-1 -Referring to Scenario 17-1, the pattern of the rates of return of stock ____ and stock ____ are similar.

SCENARIO 17-7 The output below shows the results of cluster analysis on the different regions of the world (North America, Asia Pacific, Western Europe, Central & Eastern Europe, Latin America, and Middle East & Africa)based on the amounts (in billions of US dollars)and the percentage changes from prior year of business-to-consumer ecommerce sales last year. 17-24 Business Analytics -True or False: Referring to Scenario 17-7, Middle East & Africa is the next region that clusters with the Central & Eastern Europe and Latin America cluster.

True or False: Successful use of a regression tree requires a precise description of the parameters of the tree.

SCENARIO 17-7 The output below shows the results of cluster analysis on the different regions of the world (North America, Asia Pacific, Western Europe, Central & Eastern Europe, Latin America, and Middle East & Africa)based on the amounts (in billions of US dollars)and the percentage changes from prior year of business-to-consumer ecommerce sales last year. 17-24 Business Analytics -True or False: Referring to Scenario 17-7, the "complete" method is used to measure the distance between clusters.

SCENARIO 17-4 The regression tree below was obtained for predicting the weekend box office revenue of a newly released movie (in thousands of dollars)based on data collected in different cities on the expenditure (at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV. Business Analytics 17-15 -True or False: Referring to Scenario 17-4, the highest mean weekend box office revenue is predicted to occur with at least $45 thousand spent on TV advertisement and fewer than 25 advertisement appearances a day.

Which of the following finds relationships in data that may not be readily apparent?

True or False: In multidimensional scaling, the larger the stress statistic, the better is the fit.

SCENARIO 17-4 The regression tree below was obtained for predicting the weekend box office revenue of a newly released movie (in thousands of dollars)based on data collected in different cities on the expenditure (at $25, $30, $35, $40, $45, $50, $55, $60, $65 or $70 thousand)spent on TV advertising and the number of times (10, 15, 20, 25, 30 or 35)a day the advertisement appear on TV. Business Analytics 17-15 -True or False: Referring to Scenario 17-4, the first split occurs at 25 TV appearances a day of the advertisement.