1. Calculate each of the following values for the data set below (assume it is a population). {3.42, 4.10, 4.15, 4.19, 4.26, 4.85, 5.01, 6.22} a. Variance b. Standard deviation c. Skewness 2. Repeat...

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1. Calculate each of the following values for the data set below (assume it is a population).


{3.42, 4.10, 4.15, 4.19, 4.26, 4.85, 5.01, 6.22}


a. Variance b. Standard deviation c. Skewness


2. Repeat parts a and b of the first exercise under the assumption that the data set is a sample.



Answered Same DayDec 21, 2021

Answer To: 1. Calculate each of the following values for the data set below (assume it is a population). {3.42,...

David answered on Dec 21 2021
107 Votes
Let Xi (i=1,2,3,….,n; i.e. there are n observations) be the ith observed value of the variable X. Then ,
Population variance of X =


( ̅)

Sample variance of X =


( ̅)

Standard deviation of X =√
and,
Skewness of X is


( ̅)

(


(...
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