561. If any value in the data is zero, then which of the following average vanishes_________?

A. A.M.
B. G.M.
C. H.M.
D. None of these

562. Group data formula for mode _______?

A. 1+ fm – f2/f1 – f2 x h
B. 1+ f1 – f2/f2 – fm x h
C. 1 + fm – f1/ (fm – f1) + (fm1 – f2) x h
D. 1+ fm1 – f2/f1 – fm x h

563. If any value in the data is zero, then it is not possible to have _______?

A. A.M.
B. Medain
C. Mode
D. H.M.

564. Coded method of calculation is only used in ___________?

A. Median
B. Combined mean
C. A.M.
D. None of these

565. The arithmetic mean of 10,8,6,4, and 2 is ______________?

A. 5
B. 15
C. 6
D. 30

566. The mode of the data 2,4,6,6,6,8 is _______________?

A. 4
B. 6
C. 8
D. 30

567. We must arrange the data before calculating _________?

A. Mean
B. Median
C. Mode
D. G.M.

568. Sum of obsolete deviations from _____ is least?

A. Mean
B. Median
C. Harmonic
D. Mode

569. The Harmonic Mean of two number is ‘a’ and ‘b’ is given by ____________?

A. a+b/2
B. 2ab/a+b
C. √ab
D. None of these

570. Median is _______ than mean is a positive skewed distribution?

A. Great
B. lesser
C. Equal
D. None of these

NOTE
IF YOU THINK ANY OF THE MCQ ABOVE IS WRONG.
PLEASE COMMENT WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION IN COMMENT BOX.
THANK YOU