SOLUTION: Consider a sample with data values of 27, 25, 20, 15, 30, 34, 28, and 25. Compute the range, interqurartile range, variance, and standard deviation.

Question 398440: Consider a sample with data values of 27, 25, 20, 15, 30, 34, 28, and 25. Compute the range, interqurartile range, variance, and standard deviation.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi,

range = 19 

interquartile range: 

distance between the 75th percentile and the 25th percentile is 10

variance = 34.57 and standard deviation = 5.88

variance found by entering data in Excel column and using the data analysis tool

15

20

25

25

27

28

30

34

 

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