Online NAT IGS General Science Statistics Test Preparation for Pakistani Students

NAT I General Science Statistics

Sr. #	Questions	Answers Choice
1	y = ax + b, then mode (y) = ---------	Mode (x) a Mode (x) + b a mode (x) None of these
2	When the values are not of equal importance then we compute	Simple mean Weighted Combined mean None of these
3	In symmetrical distribution the values of mean median and mode	Zero Coincide Do not coincide None of these
4	Sum of the random errors is equal to:	3 2 1 0
5	Now a days the word statistics can be expressed in how many ways?	2 3 5 4
6	The hypergeometric distribution has parameters:	2 3 4 None of these
7	The variance of binomial distribution is:	np nq npq None of these
8	If E (X) = 1.6 and E (Y) = 0.4, then E (X - Y) =--------------	1.2 -0.2 2.0 None of these
9	The experiment means a well define:	Action Outcome Sample space None of these
10	In a set of "n" elements the total number of subsets are:	2<sup>n</sup> n<sup>2</sup> n! None of these