Question
A population has a standard deviation ó of 23 units. (Give your answers correct to two decimal places.)
(a) Find the standard error for the mean if n = 11.
(b) Find the standard error for the mean if n = 41.
(c) Find the standard error for the mean if n = 85.
(a) Find the standard error for the mean if n = 11.
(b) Find the standard error for the mean if n = 41.
(c) Find the standard error for the mean if n = 85.
Answers
SEm = SD/√n
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