Question

What percent of scores will fall between –3 and +3 standard deviations under the normal curve?

Answer 1

`99.7%`

Explanation:

`99.7%` of the data.

The image below shows how much data falls under certain standard deviations of the mean in a normal curve.

![https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule]()