Question: ELEMENTARY STATISTICS Construct a 80 % confidence interval to estimate the population mean using the data below. x overbar x = 21, s = 5.1,

ELEMENTARY STATISTICS

Construct a 80% confidence interval to estimate the population mean using the data below.

x overbar x = 21, s = 5.1, n = 24

What assumptions need to be made about thispopulation?

The 80

80% confidence interval for the population mean is from a lower limit of __ to an upper limit of __. (round to the nearest 2 decimals as needed).

What assumptions need to be made about thispopulation?

PLEASE SHOW ALL WORK

A.

The population follows the normal probability distribution.

B.

The population distribution is skewed to one side.

C.

The population size is larger than 30.

D.

The population follows theStudent's t-distribution.

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