Three randomly selected children are surveyed. The ages of the children are 1, 4, and 10. Assume that samples of size n = 2 are randomly selected with replacement from the population of 1, 4, and 10. Listed below are the nine different samples. Complete parts (a) through (d). 1,1 1,4 1,10 4,1 4,4 4,10 10,1 10,4 10,10 a. Find the value of the population variance o². 14 (Round to three decimal places as needed.) b. Find the variance of each of the nine samples, then summarize the sampling distribution of the variances in the format of a table representing the probability distribution of the distinct variance values. Probability ... (Type integers or simplified fractions.)
Three randomly selected children are surveyed. The ages of the children are 1, 4, and 10. Assume that samples of size n = 2 are randomly selected with replacement from the population of 1, 4, and 10. Listed below are the nine different samples. Complete parts (a) through (d). 1,1 1,4 1,10 4,1 4,4 4,10 10,1 10,4 10,10 a. Find the value of the population variance o². 14 (Round to three decimal places as needed.) b. Find the variance of each of the nine samples, then summarize the sampling distribution of the variances in the format of a table representing the probability distribution of the distinct variance values. Probability ... (Type integers or simplified fractions.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Three randomly selected children are surveyed. The ages of the children are 1, 4, and 10. Assume that samples of size
n = 2 are randomly selected with replacement from the population of 1, 4, and 10. Listed below are the nine different
samples. Complete parts (a) through (d).
1,1 1,4 1,10 4,1 4,4 4,10 10,1 10,4 10,10
a. Find the value of the population variance o².
14 (Round to three decimal places as needed.)
b. Find the variance of each of the nine samples, then summarize the sampling distribution of the variances in the format of
a table representing the probability distribution of the distinct variance values.
Probability
...
(Type integers or simplified fractions.)
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