Question
The most appropriate diagram to represent data relative
to monthly expenditure on different items of a family is -Solution
Pie diagram is a circle whose area is proportionally divided among the components it represents. Area of sector of the circle is proportional to the frequency.
byx and bxy are two regression coefficients. If byx > 0, then bxy will be -
If x and y are two random variables and a, b, c, d are any numbers provided a ≠ 0, c ≠ 0, then correlation co-efficient between ax + b and cy + d is...
Which of the following is not true for geometric mean?
A systematic sample does not yield good result, if -
Laspeyre's formula has ___________ bias and Paasche's formula has _________ bias.
The Drobish-Bowley price index formula is the -
Which of the following statement is true for NRR?
Which of the following statement is not true?
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...Two random variables x and y have the following regression equations -
3x + 2y – 26 = 0
6x + y – 31 = 0
then, the mean values o...
