The satistical device helps in analysing the covariation of two or more variables
A. Correlation
B. Regression
C. Median
D. Standard deviation
Answer: Option A
A. Correlation
B. Regression
C. Median
D. Standard deviation
Answer: Option A
A. Field trails
B. Exhibitions
C. Competition
D. Fair
The intelligency, ability or efficiency can be measured by use of
A. Median
B. G.M.
C. Weighted H.M.
D. Geometric mean
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