The variance of a constant is_______________?
The variance of a constant is_______________?
A. Zero
B. Constant
C. a
D. None
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Correlation is _____________ of regression coefficients?
Correlation is _____________ of regression coefficients?A. A.M.
B. G.M.
C. M.D.
D. H.M.If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?
If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?A. 5%
B. 10%
C. No Change
D. 110%
E. 90%In case of symmetrical distribution?
In case of symmetrical distribution?A. β1=β4
B. Mean=Mode=Median
C. µ1=µ4
D. µ1=µ2The 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. IncreaseArithmetic Mean is___________affected by extreme values?
Arithmetic Mean is___________affected by extreme values?A. Not
B. Highly
C. Less
D. None of theseIn moderately skewed distribution if _________________?
In moderately skewed distribution if _________________?A. Mode = 3 median – 2 mean
B. Mode = 2 median -3 mean
C. Median = 2 median-3 mean
D. Mean- mode