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The Rajasthan government announced a ₹100 crore investment to develop the Maharana Pratap Tourist Circuit.
For the variables X and Y, we collect 4 observations with ∑ X = 10,∑ Y = 14,∑ X2 = 30,∑ Y2 = 54,∑ XY = 31 The regressio...
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:
For a distribution, the mean is 10, variance is 16, Y1 is +1 and β2 is 4. The distribution is:
If Arithmetic mean and coefficient of variation of x are 10 and 40 respectively, then the variance of y = 10 – 2x is:
For the two variables X and Y, the following observations are tabulated
X: 3 4 �...
If the second and third moment about the origin are 8 and 18 and the third moment about mean is -14 , then the first moment about the origin is:
If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
