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Find the mean and standard deviation of the following set of data. (Round the answers to...

Find the mean and standard deviation of the following set of data. (Round the answers to one decimal place.)

(a) 60  60  60  60  60
x =
s =

(b) 54  60  60  60  66
x =
s =

(c) 15  60  60  60  105
x =
s =

Math   Statistics-And-Probability   
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