Question
If Q₁, Q₂ and Q₃ are three quartiles of a
frequency distribution, which of the following holds if the distribution is negatively skewed?Solution
For a negatively skewed distribution: (Q2 - Q1) > (Q3 - Q2), Thus, Q ₁ + Q ₃ < 2Q ₂
Which of the following statement is true for NRR?
The most appropriate diagram to represent data relative to monthly expenditure on different items of a family is -
If the salary of a person in the base year is Rs. 2000 per annuli and in the current year Rs. 5000. The CPI is 325, then the allowance required to maint...
Laspeyre's formula has ___________ bias and Paasche's formula has _________ bias.
Infant mortality rate is the ratio of -
Which of the following is not true for geometric mean?
Two random variables x and y have the following regression equations -
3x + 2y – 26 = 0
6x + y – 31 = 0
then, the mean values o...
A statistician collects data on production of rice from 1990 to 20 2 0 and classifies it year wise. Which of the following type of classification of da...
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...The variance of first n natural numbers is -
