Do males and females differ in the amount of time they talk on the phone? A study reported that women spent a mean of 818 minutes per month talking on the phone. Men spent 716 minutes per month on the phone (USA Today 2011). The samples were 100 for women and men. The standard deviation for women was 125 per month and 100 per month for men. a) Using a 0.01 level of significance, is there evidence of a difference in the variances of the amount spent talking between women and men. b) Use the most appropriate t-test to find out if there is difference in means for the amount of time spent talking on the phone between man and women.
Do males and females differ in the amount of time they talk on the phone? A study reported that women spent a mean of 818 minutes per month talking on the phone. Men spent 716 minutes per month on the phone (USA Today 2011). The samples were 100 for women and men. The standard deviation for women was 125 per month and 100 per month for men. a) Using a 0.01 level of significance, is there evidence of a difference in the variances of the amount spent talking between women and men. b) Use the most appropriate t-test to find out if there is difference in means for the amount of time spent talking on the phone between man and women.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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Do males and females differ in the amount of time they talk on the phone? A study reported that
women spent a mean of 818 minutes per month talking on the phone. Men spent 716 minutes per
month on the phone (USA Today 2011). The samples were 100 for women and men. The
standard deviation for women was 125 per month and 100 per month for men.
a) Using a 0.01 level of significance, is there evidence of a difference in the variances of the
amount spent talking between women and men.
b) Use the most appropriate t-test to find out if there is difference in means for the amount
of time spent talking on the phone between man and women.
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