A sample of n = 4 scores has ss = 48. what is the estimated standard error for the sample mean?

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A sample of $n=16$ scores has a mean of $M=56$ and a standard deviation of $s=20$ a. Explain what is measured by the sample standard deviation. b. Compute the estimated standard error for the sample mean and explain what is measured by the standard error.

A sample of n = 4 scores has SS = 48. What is the estimated standard error for the sample mean?

a. 1

b. 2

c. 4

d. 16

The standard error of the mean (SEM) can be calculated using the equation

$$\text{SEM} = \dfrac{\sigma}{\sqrt{n}}. $$

where {eq}\sigma {/eq} is the population standard deviation and {eq}n {/eq} is the sample size.

The SEM indicates the precision of the mean sample relative to the true mean of the subject or population.

Given Data:

• Sample size: {eq}n = 4 {/eq}.

• Mean of the sum of squares: {eq}SS = 48 {/eq}.

First, we solve for the standard deviation {eq}\sigma {/eq}...