7. If the mean of 16, 14. X. 23,20 is 18, find the value of x.
Answers
Answered by
4
Answer:
17
Explanation:
See Mean= Sum of all observation
No of observation
Now
Sum of obs = 16+14+x+20+23 = 73+x
Total no. of observation= 5
Now,
18 = 73+x/ 5
This implies__
18×5 = 73 +x
90=73+x
90-73 = x
17 = X
Answered by
1
Answer:
x=17
Explanation:
mean=16+14+x+23+20 /5
given mean is 18.so
18= 16+14+x+23+20 /5
18= 16+14+17+23+20 /5 (90/5=18)
x=17
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