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 90% confidence interval estimate for the difference between the two population means.
A) -6.54 ≤ (µ1 - µ2) ≤ 0.54
B) -4.25 ≤ (µ1 - µ2) ≤ 1.25
C) -5.98 ≤ (µ1 - µ2) ≤ 1.88
D) -2.25 ≤ (µ1 - µ2) ≤ 5.25

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 90% confidence interval estimate for the difference between the two population means.
A) -6.54 ≤ (µ1 - µ2) ≤ 0.54 
B) -4.25 ≤ (µ1 - µ2) ≤ 1.25 
C) -5.98 ≤ (µ1 - µ2) ≤ 1.88 
D) -2.25 ≤ (µ1 - µ2) ≤ 5.25

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 90% confidence interval estimate for the difference between the two population means.
A) -6.54 ≤ (µ1 - µ2) ≤ 0.54 
B) -4.25 ≤ (µ1 - µ2) ≤ 1.25 
C) -5.98 ≤ (µ1 - µ2) ≤ 1.88 
D) -2.25 ≤ (µ1 - µ2) ≤ 5.25

The Following Information Is Based on Independent Random Samples Taken