A) 15
B) 15.15
C) 15.35
D) 16
Correct Answer: B
Solution :
[b] Sum of all observations \[=20\times 15=300\] Sum of correct observations \[=300-(3+6)+(8+4)=303\] Correct mean \[=\frac{303}{20}=15.15\]You need to login to perform this action.
You will be redirected in
3 sec