Mathematics, 18.07.2020 04:01 ciera51
An analyst is reviewing a dataset of temperatures recorded at airports in the U. S. In a random sample of 87 airports, she finds the average summer temperature to be 87 degrees Fahrenheit. What value of z should be used to calculate a confidence interval with a 95% confidence level?
Answers: 1
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
.
, so 
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An analyst is reviewing a dataset of temperatures recorded at airports in the U. S. In a random samp...
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