Question: The quantitative data set under consideration has roughly a bell-shaped distribution. Apply the empirical rule to answer the following question. A quantitative data set has

The quantitative data set under consideration has roughly a bell-shaped distribution. Apply the empirical rule to answer the following question.

A quantitative data set has mean

17

and standard deviation

2

.

Approximately what percentage of the observations lie between

13

and

21

?

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