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# I need help with 1 problem finding the mean in charted data. Any help is greatly appreciated!?

19. Find the following grouped data. Round to the nearest hundreth.

Interval

1-3

4-6

7-9

10-12

Frequency

8

12

20

32

### 1 Answer

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- 1 decade agoFavorite Answer
8.17

take the average of each group and multiply by the frequency then divide by the total of the frequency...

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