The average weight of a group of 15 boys was calculated to be 60 kg and it was later discovered that one weight was
misread as 24 kg instead of the correct one of 42 kg. Find the correct average weight
(1) 60.2 kg (2) 61.2 kg (3) 62 kg (4) 61kg (5) None of these
There
Sh
Answers
Answered by
0
Answer:
61.2
Step-by-step explanation:
x bar =sigma x/n
sigma x=15×60
=900
sigma x + right value - wrong value
900+42-24=918
new x bar = 918/15
=61.2
Similar questions