A standardized assessment inventory on the personality characteristic of "Perfectionism" has a μ = 70 and a σ = 12.
a. Compute σM for a sample of n = 100.
b. Compute σM for a sample of n = 25.
c. How is σM affected by sample size?

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The Answer of A standardized assessment inventory on the personality characteristic of "Perfectionism" has a μ = 70 and a σ = 12.
a. Compute σM for a sample of n = 100.
b. Compute σM for a sample of n = 25.
c. How is σM affected by sample size?

A Standardized Assessment Inventory on the Personality Characteristic of "Perfectionism