Math, asked by Anonymous, 10 months ago

please answer my question

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Answered by jangidlekhraj

1

Step-by-step explanation:

4-7 5.5 5 27.5

8-11 9.5 4 38.0

12-15 13.5 9 121.5

16-19 17.5 10 175

total of last column = 362

total of frequency = 28

mean = 362/28

= 12.93

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