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

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

A quantitative data set of size 70 has mean 35

35 and standard deviation 2. Approximately how many observations lie between 31

and 39?

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