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A random sample of 75 measurements is drawn from a population with a mean of 60...

A random sample of 75 measurements is drawn from a population with a mean of 60 and a standard deviation of 5.

17.) The mean of the sampling distribution of y hat is ________.

18.) The standard error of the sampling distribution of y hat is __________. (use 4 decimal places).

math   Statistics-And-Probability   
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Answer #1

Question 17

= µX̅ = µ = 60

Question 18

σX̅ = σ / √ (n) = 5/√75 = 0.5774

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