Asked Jan 5, 2020

In each of Exercises, the quantitative data set under consideration has roughly a bell-shaped distribution. Apply the empirical rule to solve each exercise.

The data set has mean 30 and standard deviation 4. Approximately what percentage of the observations lie between 22 and 38?


Expert Answer

Step 1

The mean of the data set is 30 and standard deviation is 4. The upper limit of interval is 38 and lower limit is 22.

Step 2
Statistics homework question answer, step 2, image 1

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