Pupils Per Teacher The frequency distribution shows the average number of pupils per teacher in some states of the United States. Find the variance and standard deviation for the data. Round your answers to one decimal place. Class limits 10-12 13-15 16-18 19-21 22-24 25-27 Send data to Excel Frequency 1 18 10 6 2 2 Variance = Standard deviation =

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Q: 64 -32- 16 270-80 64 48-32-1 52-48-64-8090 -16 -48 64- 180 of83-9-8- e-8-9-38-8

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