A sample of size 5 shows a mean of 45.2 and a sample standard deviation of 6.4. The standard error of the sample mean is approximately 2.86.

Name: A sample of size 5 shows a mean of 45.2 and a sample standard deviation of 6.4. The standard error of the sample mean is approximately 2.86.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The standard error of the mean is calculated by dividing the sample standard deviation by the square root of the sample size. In this case, the standard error of the mean is 6.4 / sqrt(5) = 2.86.

A Sample of Size 5 Shows a Mean of 45