19. Pupils Per Teacher The following frequency distribu 23. F tion shows the average number of pupils per teacher the 50 states of the United States. Find the variance standard deviation for the data. and Class limits Frequency 9-11 12-14 15-17 18-20 21-23 24-26 20 18 50

Question
19. Pupils Per Teacher The following frequency distribu
23. F
tion shows the average number of pupils per teacher
the 50 states of the United States. Find the variance
standard deviation for the data.
and
Class limits
Frequency
9-11
12-14
15-17
18-20
21-23
24-26
20
18
50
Expand
Transcribed Image Text

19. Pupils Per Teacher The following frequency distribu 23. F tion shows the average number of pupils per teacher the 50 states of the United States. Find the variance standard deviation for the data. and Class limits Frequency 9-11 12-14 15-17 18-20 21-23 24-26 20 18 50

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