Question: If you use the Excel Data Analysis Tools to calculate the descriptive statistics and check the box confidence level for mean what do you do

If you use the Excel Data Analysis Tools to calculate the descriptive statistics and check the box "confidence level for mean" what do you do with this number to obtain the confidence interval? (choose one or more)

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add and subtract this value from the median

do nothing - this number is the conficence interval

use this value to calculate the lower and upper bound of the interval

add and subtract this value to the mean

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