1on november 26 1995 the minneapolis tribune ran an article

Reference no: EM13354039

1. On November 26, 1995, The Minneapolis Tribune ran an article on gender differences in shopping behavior. When 400 women were asked to respond to the question "Where I shop is influenced by which store has a greater variety," 60% answered "Yes." When 400 men were asked the same question, 51% answered "Yes." If we code the males as 0 and the females as 1, what is the intercept for the logistic regression equation?
A. 0.405
B. 0.041
C. 0.163

2. On November 26, 1995, The Minneapolis Tribune ran an article on gender differences in shopping behavior. When 400 women were asked to respond to the question "Where I shop is influenced by which store has a greater variety," 60% answered "Yes." When 400 men were asked the same question, 51% answered "Yes." If we code the males as 0 and the females as 1, Minitab gives the following output.

What is a 95% confidence interval for the odds ratio?
A. (0.085, 0.646)
B. (-0.156, 0.236)
C. (1.09, 1.91)

3. Could mud-wrestling be the cause of a rash contracted by University of Washington students in the spring of 1992? Two physicians at the University of Washington health center wondered this when one male and six female students complained of rashes after participating in a mud-wrestling event. Questionnaires were sent to students in the residence halls that participated in the event. The questionnaire asked about the appearance of a rash and about attendance at the mud-wrestling event. The results, by gender, are summarized in the following table.

Male Female
Developed rash 12 12
No rash 38 8

The proportion of females attending the event that developed a rash is

A. 0.5.
B. 0.6.
C. 1.5.

Reference no: EM13354039

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