Question: a. Use the one-mean t-interval procedure with the sample mean, sample size, sample standard deviation, and confidence level given below to find a confidence interval

a. Use the one-mean t-interval procedure with the sample mean, sample size, sample standard deviation, and confidence level given below to find a confidence interval for the mean of the population from which the sample was drawn

.b. Obtain the margin of error by taking half the length of the confidence interval.

mean =21

sample size=16

standard deviation =3

confidence interval =98%

a) The 98% confidence interval is ------- to ---- (round to 3 decimal places as needed)

b)The margin error found by using the formula is ------(round to 3 decimal places as needed)

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