A) 44.0
B) 44.46
C) 45.00
D) 45.54
Correct Answer: B
Solution :
Sum of 100 items = 45×100 = 4500 Sum of items added = 19 +31 = 50 Sum of items replaced = 91+ 13 = 104 New sum = \[4500-104+50\]= 4446 \ New mean\[=\frac{4446}{100}\] = 44.46You need to login to perform this action.
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