Given the sample data.

x:

22

26

17

22

27

(a) Find the range. (b) Verify thatx=114andx²=2662.

x

x²

(c) Use the results of part (b) and appropriate computation formulas to compute the sample variances²and sample standard deviations. (Enter your answers to one decimal place.)

s²

s

(d) Use the defining formulas to compute the sample variances²and sample standard deviations. (Enter your answers to one decimal place.)

s²

s

(e) Suppose the given data comprise the entire population of allxvalues. Compute the population variance²and population standard deviation. (Enter your answers to one decimal place.)

2