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The following data were randomly drawn from an approximately normal population. 31, 32, 35, 37, 42,...

The following data were randomly drawn from an approximately normal population.

31, 32, 35, 37, 42, 44, 48

Based on these data, find a

90%

confidence interval for the population standard deviation. Then complete the table below.

Carry your intermediate computations to at least three decimal places. Round your answers to at least two decimal places. (If necessary, consult a list of formulas.)

What is the lower limit of the

90%

confidence interval?
What is the upper limit of the

90%

confidence interval?
Math   Statistics-And-Probability   
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