Homework 10 Solution

6 no thats not a sampling error thats a type 0

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Unformatted text preview: r to have a nice normal distribution). 3) x- bar denotes the mean of a sample. Mu represents the mean of population. 6) No, that’s not a sampling error, that’s a type- 0. Sampling error (or sampling variability) come from sample- to- sample variability. 7) yes, that’s a sensible statement. 10) 12) x- bar~N(2.64, 0.06) for a sample of size n=500. a) z=(2.55- 2.64)/0.06=- 1.5 b) P(x- bar<2.55)=P(z&lt...
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