Question

A population consists of N = 5 numbers: 3, 6, 9, 12, 15. If a random sample of size n = 3 is selected without replacement: Find the sampling distributions for the sample mean X?.

          A population consists of N = 5 numbers: 3, 6, 9, 12, 15.

If a random sample of size n = 3 is selected without replacement:

Find the sampling distributions for the sample mean X?.

Added by Brian C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Shaiju T

06/17/2022

Step 1

They are: (3,6,9), (3,6,12), (3,6,15), (3,9,12), (3,9,15), (3,12,15), (6,9,12), (6,9,15), (6,12,15), (9,12,15) Now, we calculate the mean of each sample: (3,6,9) -> mean = 6 (3,6,12) -> mean = 7 (3,6,15) -> mean = 8 (3,9,12) -> mean = 8 (3,9,15) -> mean = Show more…

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A population consists of N = 5 numbers: 3, 6, 9, 12, 15. If a random sample of size n = 3 is selected without replacement: Find the sampling distributions for the sample mean X.