Question: CLASS A CLASS B CLASS C 8 12 9 9 11 10 7 9 7 4 6 5 3 8 5 10 10 4 9

CLASS A

CLASS B

CLASS C

8

12

9

9

11

10

7

9

7

4

6

5

3

8

5

10

10

4

9

10

9

7

9

8

6

7

3

8

6

6

a. Calculate the standard deviation for each class.

b. calculate the median of the distribution.

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