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Phenol on distilling with zinc dust gives benzene.
The purchasing power of money is equal to:
The arithmetic mean of the following frequency distribution of number of members in family in the society
X: ...
In a two-way ANOVA table
the value of x, FA, FB are:
The mode of the given data set is 12. The sum of the frequency on both sides of mode are 16. The skewness:
If A and B are mutually exclusive, the general addition rule is:
If the multiple correlation coefficient of X1 on X2 and X3 is zero, then:
The fair dice is rolled 15 times and face value are noted
Face Value: 1 2 3...
For an experiment we have the following data set: n = 4, ∑ X = a,∑ Y = 10,∑ XY = 21,∑ X2 = 30,∑ Y2 = 30 the correlati...
For the variables X, Y and Z, rXY = 0.80, rXZ = 0.64, rY Z = 0.79 , then square of multiple correlation coefficient R2 X.Y Z is:
Second differencing in time series can help to eliminate which trend?
(I) Quadratic trend
(II) Linear trend