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Consider the data set. 2, 4, 6, 7, 8 (a) Find the range. (Enter an exact...

Consider the data set.

  • 2, 4, 6, 7, 8

(a) Find the range. (Enter an exact number.)

(b) Use the defining formula to compute the sample standard deviation s. (Enter a number. Round your answer to two decimal places.)

(c)  Use the defining formula to compute the population standard deviation σ. (Enter a number. Round your answer to two decimal places.)

Math   Statistics-And-Probability   
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