The following information is based on independent random samples taken from two normally distributed populations having equal variances: Based on the sample information, determine the 95% confidence interval estimate for the difference between the two population means.
A) -6.23

Question

The following information is based on independent random samples taken from two normally distributed populations having equal variances:  Based on the sample information, determine the 95% confidence interval estimate for the difference between the two population means.
A) -6.23 < (µ1 - µ2) < 14.23 
B) -4.81 < (µ1 - µ2) < 16.81 
C) -5.17 < (µ1 - µ2) < 15.17 
D) -3.25 < (µ1 - µ2) < 17.25

Quizplus · Accepted Answer

The Answer of The following information is based on independent random samples taken from two normally distributed populations having equal variances:  Based on the sample information, determine the 95% confidence interval estimate for the difference between the two population means.
A) -6.23 < (µ1 - µ2) < 14.23 
B) -4.81 < (µ1 - µ2) < 16.81 
C) -5.17 < (µ1 - µ2) < 15.17 
D) -3.25 < (µ1 - µ2) < 17.25

The Following Information Is Based on Independent Random Samples Taken