Question: Construct a 99% confidence interval to estimate the population mean using the data below. x overbar xequals = 21 21 sequals = 3.5 3.5 nequals

Construct a 99% confidence interval to estimate the population mean using the data below.

x overbar

xequals

=21

21

sequals

=3.5

3.5

nequals

=20

20

Nequals

=180

180

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