A sales manager for a major pharmaceutical company analyzes last year\'s sales d

Question

A sales manager for a major pharmaceutical company analyzes last year's sales data for her 96 sales representatives, grouping them by region (1 East Coast U.S 2 Mid West U.S.; 3 West U.S., 4 South U.S.; 5 Canada; 6 -Rest of World). She plots sales n $1000) against Region (1-6) and sees a strong negative correlation. She fits a regression to the data and finds Sales 1002.5-102.7 Region. The R is 70.5%. Write a few sentences interpreting this model and describing what she can conclude from this analysis Click the icon to view the plot. Choose the correct answer below. O A. The model is useful because the Region can be determined from the total Sales. The negative slope indicates that Sales increased from Region 1 to Region 6 B. The model is meaningless because the variable Region is not quantitative. makes sense The slope no because Region has no units. The boxplot comparisons are fine, but the regression is meaningless C C. The model is meaningless because the variable Sales is not quantitative. The slope makes no sense because Sales has no units. The boxplot comparisons are fine, but the regression is meaningless O D. The model is useful because total Sales can be determined from the Region. The negative slope indicates that Sales decreased from Region 1 to Region 6.

Explanation / Answer

Correct Answer: Option (B)

since both variables must be quantitative data in the regresssion analysis.

In case, sale is quantitative data and region is not quantitative data

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