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(Solved): Find the standard deviation, s, of sample data summarized in the frequency distribution table given ...



Find the standard deviation,

s

, of sample data summarized in the frequency distribution table given below by using the formula below, where

x

represents the class midpoint,

f

represents the class frequency, and

n

represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 9.0 . \table[[Interval,

20-29

,

30-39

,

40-49

,

50-59

,

60-69

,21]] Standard deviation

=

?

(Round to one decimal place as needed.)

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