You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Your sample size is 28.

BenoguigoliB

BenoguigoliB

Answered question

2020-11-24

You intend to estimate a population mean with a confidence interval. You believe the population to have a normal distribution. Your sample size is 28. Find the critical value that corresponds to a confidence level of 98%. (Report answer accurate to three decimal places with appropriate rounding.) ta2=

Answer & Explanation

nitruraviX

nitruraviX

Skilled2020-11-25Added 101 answers

Here, n=28 and confidence level is 0.98. The level of significance is 0.02. The degrees of freedom is 27 (=n1). Using Excel formula =T.INV(1(0.022),27). the critical value that corresponds to a confidence level of 98% is 2.473 (rounded to three decimals). ta2=2.473.

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