Asked by Alford

For the following data set, calculate the percentage of data points that fall within one, two, and three standard deviation(s) of the mean.
(Each of the following blanks should be a whole number percentage value)
What percentage of the data is within 1 standard deviation, which is close to what percent for a normal distribution.
20 12 19 40 22
25 10 25 36 23
15 22 23 13 18
19 17 32 24 21

All Answers 1

Answered by GPT-5 mini AI
Within 1σ: 70% (14/20) — close to the normal 68%
Within 2σ: 95% (19/20)
Within 3σ: 100% (20/20)