Madeline1552 Madeline1552

14-08-2020
Mathematics

contestada

Given a sample with 5 scores: 4, 6, 8, 10, and y, and the mean of this sample is 6, what is the variance of the sample

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lordina14 lordina14

14-08-2020

Answer:

8+10+4+6+y /5=6

find lcm which is 5

(8+10+4+6+y/5)5=(6)5

8+10+4+6+y=30

28+y=30

y=30-28

y=2

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