A researcher has a sample (N 52, M 17, s 3) that she believes came from a population where 20 and 4 What statistical test should she use

Question: A researcher has a sample (N = 52, M = 17, s = 3) that she believes came from a population where = 20

A researcher has a sample (N = 52, M = 17, s = 3) that she believes came from a population where μ = 20 and σ = 4. What statistical test should she use?

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