Introduction to statistics mcqs with answers for basic statistical test preparation online.
Introduction To Statistics MCQs With Answers
Arithmetic mean is __ by change of origin and scale of measurement?
A. Vary
B. Negative
C. Affected
D. Not affected
The arithmetic mean ___by 10 if 10 is added to all values?
A. Decease
B. Smaller
C. Largest
D. Increase
We must arrange the data before calculating _______?
A. Mean
B. Median
C. Mode
D. G.M
The most frequent value in data is called ____?
A. Mean
B. Mode
C. Median
D. H.M.
H.M. _____ G.M. _______ A.M?
A. <
B. ≥
C. ≤
D. >
The sum of square of deviation is least when measured from ______?
A. Arbitrary value
B. Mean
C. Mode
D. G.M.
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
Median = Q2 = D5 = ________?
A. P25
B. P55
C. P75
D. p50
__________ deviation taken from A.M. is always equal to zero?
A. Mean
B. Sum
C. Average
D. 2.D.
