Multiple Choice
-The mean of ten observations is 23. If two observations 4 and 7 are substituted by 3 and 8, then the new value of mean will be
A) 20
B) 19
C) 23
D) 25
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q12: -If the fractions 5/6, 7/8, 6/7 and
Q13: 31-Six people P,Q,R,S,T,U are sitting in a
Q14: -Eight executives J,K,L,M,N,O,P,Q are sitting around a
Q15: -The L.C.M. of 2/3, ¾, 5/6 is<br>A)30<br>B)24<br>C)60<br>D)72
Q16: -In a statistical investigation of 1000 families
Q18: -The value of ?0.0625 is<br>A)25<br>B)2.5<br>C)0.25<br>D)0.025
Q19: -Which number should come next in the
Q20: -Which of the following is smallest?<br>A)641/3<br>B)93/2<br>C)321/5<br>D)163/4
Q21: -Pointing to a girl, Ramakant said, "She
Q22: -Three of the following are alike in