Mathematics, 05.11.2019 20:31 gymnastsgymnastics
Anew study is designed to estimate the average grocery spending. individual records are assumed to be independent normally distributed with the population standard deviation = $32. researchers want to have the margin of error of the 95% confidence interval no bigger than $15. what is the smallest sample size needed? show the following elements of your decision.
critical value
smallest sample size
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Anew study is designed to estimate the average grocery spending. individual records are assumed to b...
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