The sample mean is 6, the standard error is 1. We can be 95% confident that the population mean is between
A) 5 and 7
B) 4 and 8
C) 3 and 9
D) 4 and 10

Name: The sample mean is 6, the standard error is 1. We can be 95% confident that the population mean is between A) 5 and 7 B) 4 and 8 C) 3 and 9 D) 4 and 10
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Question

Quizplus · Accepted Answer

The 95% confidence interval is calculated as the sample mean ± 1.96 times the standard error. Here, it is 6 ± 1.96(1), which is approximately 4.04 to 7.96, rounded to 4 and 8.

The Sample Mean Is 6, the Standard Error Is 1