question archive The following data summarizes a study of online expenditures of groups of male and female customers for a particular web store The population variances are known to be equal Males: Sample mean=352 Standard deviation=95 Sample size=13 Females: Sample mean=310 Std deviation=80 sample size=16 a Test whether the average expenditures of men are higher than women using alpha 010 b Test that the standard deviation of male customers is more than $94 Use alpha = 010

Subject:StatisticsPrice: Bought3

The following data summarizes a study of online expenditures of groups of male and female customers for a particular web store The population variances are known to be equal

Males: Sample mean=352 Standard deviation=95 Sample size=13

Females: Sample mean=310 Std deviation=80 sample size=16

a Test whether the average expenditures of men are higher than women using alpha 010

b Test that the standard deviation of male customers is more than $94 Use alpha = 010