Online NAT IGS General Science Statistics Test Preparation for Pakistani Students

NAT I General Science Statistics

Sr. #	Questions	Answers Choice
1	If 'C' is a non-random variable then E (C) is:	C 0 1 x
2	If E (X) =4, then find arithmetic mean will be:	4 8 0 1
3	In the tossing of two perfect coins to probability at least one head occur is:	2/2 1/4 3/4 1
4	The probability of drawing any one spade card is:	1/52 1/13 4/13 1/4
5	In chain base method,the base period is:	Fixed Changed Constant None of these
6	Which index number has a wide scope:	Special General Price Quantity
7	Second moment about mean is:	0 1 Variance Standard deviation
8	For a symmetrical distribution:	b<sub>1</sub> = 0 b<sub>1</sub> = 3 b<sub>2</sub> = 3 b<sub>3</sub> = 3
9	The types of dispersion are:	2 3 4 5
10	If mena = 40, Mode =42, then distribution is:	+ skew - skew Symmetrical All of these