NAT I General Science Statistics

NAT I General Science Statistics

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NAT I General Science Statistics

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Question # 1

If the two variables are uncorrelated then the value of "r" is

Question # 2

The normal distribution curve is:

Question # 3

A graph of a cumulative frequency distribution is called:

Question # 4

The normal distribution is ..........distribution

Question # 5

How many basic types of index numbers are?

Question # 6

In random sampling the probability of selecting and item from the population is

Question # 7

The graph of time series is called:

Question # 8

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

Question # 9

Var (ax + b ) is:

Question # 10

In Random sampling the probability of selecting an item from the population is

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Here is List Of Chapter Wise Tests

Ch. # Test Name MCQs Available PDF File Launch Test
1 NAT I General Science 228 Download PDF Launch Test
1 NAT-IGS General Science Statistics Easy Test 228 Download PDF Launch Test
1 NAT-IGS General Science Statistics Hard Test 228 Download PDF Launch Test

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NAT-I Statistics Important MCQ's

Sr.# Question Answer
1 If right tail is longer than the left tail,then distribution is called:
A. Negatively skewed
B. Positively skewed
C. Symmetrical
D. None of these
2 Basic year weighted index numbers are:
A. Laspeyre's
B. Paasche's
C. Fisher's
D. None of these
3 The probability of an event cannot be
A. =0
B. >0
C.  =1
D. <0
4 In binomial distribution trails are:
A. Independent
B. Dependent
C. Both
D. None of these
5 The normal distribution curve is:
A. U Shaped
B. I shaped
C. Uniform
D. Bell shaped
6 The correlation coefficient would be
A. 1.95
B. -1.95
C. 0.95
D. None of these
7 Which is correct for the binomial distribution:
A. Mean > Variance
B. Mean < Variance
C. Mean = Variance
D. Mean = standard Deviation
8 For a symmetrical distribution:
A. b1 = 0
B. b1 = 3
C. b2 = 3
D. b3 = 3
9 Var (2x + 3) is:
A. 5 var (x)
B. 4 Var (x)
C. 4 Var (x) +3
D. 4 Var (x) +9
10 Set of electronic instruction is
A. Hardware
B. Software
C. Ouput device
D. None of these

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