Get Started with ixamBee
Start learning 50% faster. Sign in now
Pema Khandu, the leader of the Bharatiya Janata Party (BJP), took oath as the Chief Minister of Arunachal Pradesh, marking his third consecutive term in the office.
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:
