Mathematics, 06.05.2020 04:14 maribel2421

The mean of a data set is 20 points, the standard deviation is 1.5 points, and the distribution of the data values is approximately normal.
Which of the following intervals represents about 95% of the data values?

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The mean of a data set is 20 points, the standard deviation is 1.5 points, and the distribution of the data values is approximately normal. Which of the following intervals represents about 95% of the data values?

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Another question on Mathematics

The mean of a data set is 20 points, the standard deviation is 1.5 points, and the distribution of the data values is approximately normal.
Which of the following intervals represents about 95% of the data values?