Question

mean of x=2,5,7,8 and f=2,4,6,3 ​

Answer 1

Answer:

.

.

.

.

hope it helps you...

Answer 2

fi. xi. fixi

2. 2. 4

4. 5. 20

6. 7. 42

3. 8. 24

total=. 15. 90

mean- fixi/fi

90/15=6

(mean=6)