Among the following, presence of which brings

Two random variables x and y have the following regression equations -

3x + 2y – 26 = 0

6x + y – 31 = 0

Which of the following is not a cause of rightward shift of demand curve?

A population is said to be stationary, if -

Which of the following statement is true for NRR?

The main aim of agricultural census is -

byx and bxy are two regression coefficients. If byx > 0, then bxy will be -

Which of the following is not true for geometric mean?

Residual method is used to measure -

In 1949, the Chairman of National Income Committee was -

Laspeyre's formula has ___________ bias and Paasche's formula has _________ bias.