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Question(s) / Instruction(s):

1. Describe the distribution of sample means (shape, expected value, and standard error) for samples of n = 36 selected from a population with a mean of µ = 100 and a standard deviation of σ = 12.

2. If the population standard deviation is σ = 20, how large a sample is necessary to have a standard error that is

3. For a population with a mean of μ = 60 and a standard deviation of σ = 24, find the z-score corresponding to each of the following samples.
a. M = 63 for a sample of n = 16 scores.
b. M = 63 for a sample of n = 36 scores.
c. M = 63 for a sample of n = 64 scores.

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