A student randomly surveyed n 36 other students and found


A student randomly surveyed n = 36 other students and found that the mean amount of money spent on texts was x‾ = $121.60. If the standard deviation of the population was σ = $6.36, find the 90% confidence interval of the mean.

 

 

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Basic Statistics: A student randomly surveyed n 36 other students and found
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