SOLUTION: Use the range rule of thumb to approximate the standard deviation.
2, 6, 15, 9, 11, 22, 1, 4, 8, 19
A)2
B)6.8
C)5.25
D)6.3
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Question 1032849: Use the range rule of thumb to approximate the standard deviation.
2, 6, 15, 9, 11, 22, 1, 4, 8, 19
A)2
B)6.8
C)5.25
D)6.3
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
C)5.25.
The range rule of thumb says that the range of a data set is about four times the standard deviation.
The range is 22 - 1 = 21, thus the standard deviation is around 21/4 = 5.25.
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