Consider the data set. 2, 3, 4, 5, 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...

(a)

Find the range. (Enter an exact number.)

(b)

Use the defining formula to compute the sample standard deviations. (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.)