Question

Activity 2
The Mean of 8, 12, x, 9. If 10 find the number x.
8+12+x+9
Mean = 10.
= 10
.
29+1
= 10.
4
29+ x=40.
X=11
The Mean of 8. 11. . x, 12. 5. 10 is 10 find the number x.​

Answer 1

Mean = total value / total no. of observations

10 = 8 + 11 + x + 12 + 5 + 10

therefore, x = 46 - 10

= 36

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