Arithmetic mean of two positive numbers “X” and “Y” is_________________?
Arithmetic mean of two positive numbers “X” and “Y” is_________________?
A. ab2
B. 2a2
C. (a+b)/2
D. a−b2
E. 2a+b
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_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?A. Range
B. Standard Deviation
C. Coefficient of Variation
D. Mean DeviationThe probability of drawing an even number in a toss of a balanced die ______________?
The probability of drawing an even number in a toss of a balanced die ______________?A. 1/6
B. 2/6
C. 3/6
D. 6/6The sum of the squares of deviations is the least when measured from____________?
The sum of the squares of deviations is the least when measured from____________?A. A.M.
B. Median
C. Mode
D. G.M.In natural Sciences, statistics____________.
In natural Sciences, statistics____________.A. Has no role
B. Average
C. Plays an Important role
D. StudyWhich of the following test use Rank Sums____________?
Which of the following test use Rank Sums____________?A. Kruskal-Wallis and Wilcoxon tests
B. Runs test
C. Chi-Square and sign test
D. F testMedian = Q2 = D5 =_________________?
Median = Q2 = D5 =_________________?A. P25
B. P55
C. P75
D. p50