Median = Q2 = D5 =_________________?
A. P25
B. P55
C. P75
D. p50
If the smallest observation in a data is decreased, the average which is not affected is______________?
If the smallest observation in a data is decreased, the average which is not affected is______________?
A. G.M.
B. Median
C. Mean
D. Harmonic mean
The sum of square of deviation is least when measured from ____________?
The sum of square of deviation is least when measured from ____________?
A. Arbitrary value
B. Mean
C. Mode
D. G.M.
H.M. _____ G.M. _______ A.M?
H.M. _____ G.M. _______ A.M?
A. <
B. ≥
C. ≤
D. >
The most frequent value in data is called ________________?
The most frequent value in data is called ________________?
A. Mean
B. Mode
C. Median
D. H.M.
We must arrange the data before calculating ______________?
We must arrange the data before calculating ______________?
A. Mean
B. Median
C. Mode
D. G.M
The arithmetic mean _________ by 10 if 10 is added to all values?
The arithmetic mean _________ by 10 if 10 is added to all values?
A. Decease
B. Smaller
C. Largest
D. Increase
Arithmetic mean is _________ by change of origin and scale of measurement?
Arithmetic mean is _________ by change of origin and scale of measurement?
A. Vary
B. Negative
C. Affected
D. Not affected
Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
A. 4
B. 8
C. 2
D. 0
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
A. 20
B. 5
C. 2.5
D. 0