Every possible sample of 2 of these students is listed below. Complete the table. Ages Sample mean, x¯ 80, 80 80, 55 80, 57 55, 80 55, 55 55, 57 57, 80 57, 55 57, 57 e) What is the the mean of all the sample means?
Every possible sample of 2 of these students is listed below. Complete the table. Ages Sample mean, x¯ 80, 80 80, 55 80, 57 55, 80 55, 55 55, 57 57, 80 57, 55 57, 57 e) What is the the mean of all the sample means?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Every possible sample of 2 of these students is listed below.
Complete the table.
Ages | Sample |
---|---|
80, 80 | |
80, 55 | |
80, 57 | |
55, 80 | |
55, 55 | |
55, 57 | |
57, 80 | |
57, 55 | |
57, 57 |
e) What is the the mean of all the sample means?
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Solution:
e.
The table can be calculated as follows:
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