(Use the Following Information for the Next Two Questions

Multiple Choice

(Use the following information for the next two questions.)
The manager of a car dealership was concerned that female customers found sales representatives to be intimidating. The manager asked a local market research firm to determine whether or not significant gender based differences existed in attitudes toward automobile sales personnel.
The research supplier used random digit dialing to contact 200 men and women over the age of 21 in the dealer's market area. Respondents were asked to rate automobile salespeople in the local area on helpfulness, willingness to deal, answering questions fully, courtesy, and patience using a 7-point Likert scale with 1 being poor to 7 being excellent. All respondents were also asked if new car salespeople were intimidating (yes or no) . Only one person per household was asked to respond to the survey and the variances between the two groups on all questions were assumed to be equal.
-Given this design, which of the following statements would be legitimate conclusions based on the scales being used?

A) There is a significant difference between men and women in the ratings given to salespeople on willingness to deal and patience.
B) Twice as many women as men felt intimidated by new car sales representatives.
C) The mean score for willingness to deal was 50% higher among male respondents than among female respondents.
D) All of the above are valid inferences.
E) None of the above are valid inferences.