Question

find the mean of the following distribution
xi 5. 10. 15. 20. 25
fi. 2. 8. 15. 10. 5​

Answer 1

Answer:

1st row is for all the difference is 5 only.

25 - 20 = 5

20 - 15 = 5

15 - 10 = 5

10 - 5 = 5

so, in first row the difference is 5 from one number to another number.

hope it helps.

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Answer 2

Answer:

16

Step-by-step explanation:

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