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Describe the distribution of a sample means(shape, expected value, and standard error) for samples of size n = 36, selected from a population with µ = 65 and σ = 12.

2006-10-11 17:11:35 · 2 answers · asked by .......... 4 in Science & Mathematics Mathematics

2 answers

Since the sample size is large, the distribution of the sample means will be approximately normal with a mean of 65 and sd 12/sqrt(36) = 2. This is from the Central Limit Theorem.

2006-10-11 17:15:11 · answer #1 · answered by blahb31 6 · 0 0

the shape is a bell curve .the mean expected valuye will something like 65

2006-10-12 01:02:11 · answer #2 · answered by gjmb1960 7 · 0 0

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