alexxareyess alexxareyess

01-10-2016
Mathematics

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the following data values represent a population. what is the variance of the values? 17, 5, 11, 1, 11

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nobillionaireNobley nobillionaireNobley

01-10-2016

Variance = summation of (x - mean)^2 all divided by the number of dataset.
mean = (17 + 5 + 11 + 1 + 11)/5 = 9

Variance = [(17 - 9)^2 + (5 - 9)^2 + (11 - 9)^2 + (1 - 9)^2 + (11 - 9)^2]/5 = (8^2 + (-4)^2 + 2^2 + (-8)^2 + 2^2}/5 = (64 + 16 + 4 + 64 + 4)/5 = 152/5 = 30.4

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13-05-2021

Answer:

30

Step-by-step explanation:

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