Standard deviation is always calculated from _____________?
Standard deviation is always calculated from _____________?
A. Mean
B. Median
C. Mode
D. G.M.
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In sampling with replacement be t a sampling unit can selected________________?
In sampling with replacement be t a sampling unit can selected________________?A. Only once
B. More than once
C. Less than once
D. NoneMost of the recent developments in statistics arose to meet the needs of ____________?
Most of the recent developments in statistics arose to meet the needs of ____________?A. Biology
B. Three reasons
C. Hands
D. PhysicsIn a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?
In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?A: 60
B: 30
C: Zero
D: 15Class _________ is the difference between two class limit?
Class _________ is the difference between two class limit?A. Boundary
B. Class mark
C. None of these
D. Class intervalA frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?
A frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?A. Open-end
B. Distribution
C. Componemt
D. UnequalThe Spearman Rank-Correlation test requires that the______________?
The Spearman Rank-Correlation test requires that the______________?A. Data must be measured on the same scale
B. Data should be of ordinal scale at least
C. Data must be distribution at least approximately as a t-distribution
D. Data must be from two independent samples