NAT-IGS General Science Statistics Hard Test

MCQ's Test For NAT-IGS General Science Statistics Hard Test

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NAT-IGS General Science Statistics Hard Test

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Question # 1

The data obtained from college record is

Question # 2

Two attributes are independent if

Question # 3

If 1- a = 0.90, then value of Za/2 is

Question # 4

In a set of "n" elements the total number of subsets are:

Question # 5

In normal distribution in the parameter which controls the relative flatness of the curve is:

Question # 6

If a pair of dice is rolled then the sample space consists of outcomes

Question # 7

An arrangement of data to show the frequency of occurrence is called

Question # 8

In hypergeometric distribution the trials are:

Question # 9

Statistic is a characteristic calculated from

Question # 10

In constructing a Histogram if the class interval size of one class is double than others then freq of that class should be:

Question # 11

Accepting Ho /Ho is true

Question # 12

How many basic types of index numbers are?

Question # 13

If mena = 40, Mode =42, then distribution is:

Question # 14

Which index number may be weighted?

Question # 15

The sum of deviations from arithmetic mean is:

Question # 16

In which sense Statistics means numerical data:

Question # 17

A variable which takes measurable values is called a

Question # 18

Which is correct regarding the normal distribution

Question # 19

If Rxy = - 0.84 then rxy is

Question # 20

In unimodal distribution If mode is less than mean then distribution is

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NAT-I Statistics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The regression coefficient of x on y is:
A. Cov (x,y) / Var (x)
B. Cov (x,y) / Var (y)
C. Cov (x,y) / S.D (x)
D. Cov (x,y) / S.D (y)
2 If 'C' is a non-random variable then E (C) is:
A. C
B. 0
C. 1
D. x
3 Now a days the word statistics can be expressed in how many ways?
A. 2
B. 3
C. 5
D. 4
4 Which index number may be weighted?
A. Simple
B. Compositive
C. Both a and b
D. Fisher
5 In symmetrical distribution if Q1 = 4, Q3 = 12 then median is
A. 4
B. 16
C. 8
D. Zero
6 The parameters of the binomial distribution are:
A. p and q
B. q and n
C. n and p
D. n,p and q
7 If 1- a = 0.90, then value of Za-2 is
A. 1.96
B. 2.575
C. 1.645
D. 2.326
8 The probability of an event cannot be
A. =0
B. >0
C.  =1
D. <0
9 The probability that the confidence interval does not contain the parameter is denoted by:
A. a
B. 1- a
C. b
D. 1- b
10 If y = 5x + 10, then mean deviation of y is
A. 5 mean deviation (x)
B. 25 mean deviation (x)
C. 5 mean deviation (x) + 10
D. None of them

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