Math, asked by sruthirajeshkanna, 3 months ago

find the mean of the following distribution

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Answered by induu2345

1

Answer:

x. f. xifi

4. 5. 20

6. 10. 60

9. 10. 90

10. 7. 70

15. 8. 120

40. 360

mean = xifi/fi

= 360/40 = 9

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