Some pencils are earsers (I) + Some erasers are sharpner ⇒ No conclusion. Hence conclusion I does not follow. All pens are pencils (A) + Some pencils are erasers (I) ⇒ No conclusion. Hence conclusion II and III do not follow. All pens are pencils (A) ⇒ Conversion ⇒Some pencils are pens (I). Hence conclusion IV does not follow.
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...The most appropriate measure to compare the consistency of two series is -
Supply Curve is a part of -
Which of the following statement is true for NRR?
Which of the following methods to measure seasonal variations comparatively utilizes the given data less?
The trend line with 1975 as origin is Y = 20.6 + 1.68X, the trend line with 1971 as origin will be -
The most appropriate diagram to represent data relative to monthly expenditure on different items of a family is -
Which of the following is not a cause of rightward shift of demand curve?
The variance of first n natural numbers is -
Two random variables x and y have the following regression equations -
3x + 2y – 26 = 0
6x + y – 31 = 0
then, the mean values o...