In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 17.25 2.42. If the sample size had been 160 instead of 40, what would the interval estimate have been?
A) 17.251.21
B) 17.259.68
C) 34.504.82
D) 69.009.68

Question

In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 17.25  2.42. If the sample size had been 160 instead of 40, what would the interval estimate have been?
A) 17.251.21 
B) 17.259.68 
C) 34.504.82 
D) 69.009.68

Quizplus · Accepted Answer

The Answer of In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 17.25  2.42. If the sample size had been 160 instead of 40, what would the interval estimate have been?
A) 17.251.21 
B) 17.259.68 
C) 34.504.82 
D) 69.009.68

In Developing an Interval Estimate for a Population Mean, a Sample