Exhibit 22-3
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40.
-Refer to Exhibit 22-3. An approximate 95% confidence interval for the population total is
A)350,000 to 450,000
B)234,010 to 245,990
C)350 to 400
D)390 to 409

Question

Quizplus · Accepted Answer

The 95% confidence interval for the population total is calculated using the sample mean and standard deviation, considering the finite population correction factor. The interval B) 234,010 to 245,990 is the correct range for the population total based on the given sample statistics.

Exhibit 22-3 From a Population of Size 600, a Simple Random Sample