Question
निम्नलिखित में से
शब्द-युग्म “हल्का-हल्का” के सही अर्थ भेद का चयन कीजिए।Solution
The correct answer is D
For the given 6 values 15, 24, 18, 33, 42, 54, the three yearly moving averages are -
A given data has mean = 6.5, median = 6.3 and mode = 5.4. It represents -
Two random variables x and y have the following regression equations -
3x + 2y – 26 = 0
6x + y – 31 = 0
then, the mean values o...
Which of the following statement is true for NRR?
Residual method is used to measure -
The variance of first n natural numbers is -
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 methods to measure seasonal variations comparatively utilizes the given data less?
A systematic sample does not yield good result, if -
The Drobish-Bowley price index formula is the -
