Q: The file P13_52.xlsx contains data on a motel
The file P13_52.xlsx contains data on a motel chain’s revenue and advertising. a. Use these data and multiple regression to make predictions of the motel chain’s revenues during the next four quarters...
See AnswerQ: Do the sales prices of houses in a given community vary systematically
Do the sales prices of houses in a given community vary systematically with their sizes (as measured in square feet)? Answer this question by estimating a simple regression equation where the sales pr...
See AnswerQ: The file P13_07.xlsx contains monthly values of the
The file P13_07.xlsx contains monthly values of the U.S. national debt (in dollars) from 1993 to early 2010. Fit an exponential growth curve to these data. Write a short report to summarize your findi...
See AnswerQ: The management of a technology company is trying to determine the variable
The management of a technology company is trying to determine the variable that best explains the variation of employee salaries using a sample of 52 full-time employees; see the file P13_08.xlsx. Est...
See AnswerQ: We have discussed linear and exponential trend lines. Another popular choice
We have discussed linear and exponential trend lines. Another popular choice is a power trend line, also called a constant elasticity trend line. This trend line has the form y = axb, and it has the p...
See AnswerQ: The file P14_01.xlsx contains data on 100 consumers
The file P14_01.xlsx contains data on 100 consumers who drink beer. Some of them prefer light beer, and others prefer regular beer. A major beer producer believes that the following variables might be...
See AnswerQ: A small appliance manufacturer must meet (on time) the following
A small appliance manufacturer must meet (on time) the following demands: quarter 1, 3000 units; quarter 2, 2000 units; quarter 3, 4000 units. Each quarter, up to 2700 units can be produced with regul...
See AnswerQ: The file P14_10.xlsx contains customer data on acceptance
The file P14_10.xlsx contains customer data on acceptance of products with various attributes. This is explained more fully in the file. There are three potential Yes/No dependent variables, Accept1,...
See AnswerQ: The file P14_11.xlsx contains data on 178 wines
The file P14_11.xlsx contains data on 178 wines. They are categorized into three types, labeled A, B, and C. The rest of the variables are numeric properties of the wines. Use NeuralTools to classify...
See AnswerQ: Continuing the previous problem, the file P14_12.xlsx
Continuing the previous problem, the file P14_12.xlsx contains the same wine data. Using a Microsoft Data Mining add-in (not discussed here), a decision tree classification was performed (with 0% of t...
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