a) LIM
3.
If the mean of the data 2, x+1, 9, x-2 is 4 then the value of x is:
a) 2
b) 3
c) 4
d) None of the
.
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Answers
Answered by
1
Answer:
value of x is: 4
I hope it's helpful for you
Answered by
1
Answer:
X = 3.
Step-by-step explanation:
Mean = sum of observations/no. of observations
4 = 2+x+1+9+x-2 /4
16 = 2+x+1+9+x-2
16 = 10+2x
16 -10 = 2x
6 = 2x
X = 6/2
X = 3
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