Mathematics, 05.11.2020 18:30 spdesch2558
The frequency distribution shows the average number of pupils per teacher in the United States. Find the variance and standard deviation for the data. Round your answers to one decimal place.
Class limits Frequency
9-11 1
12-14 17
15-17 13
18-20 8
21-23 2
24-26 1
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Variance =
Standard deviation =
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The frequency distribution shows the average number of pupils per teacher in the United States. Find...
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