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 experiment means a well define:

Question # 2

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

Question # 3

If for a contingency table d.f = 12 and the no of rows = 4 then the no of columns will be

Question # 4

In symmetrical distribution the values of mean median and mode

Question # 5

If a and b are two constants then var (a+ bx) =

Question # 6

A quantitative variable whose values are countable is called

Question # 7

The electronic and mechanical components of a computer are known as:

Question # 8

In a normal distribution S2 = 5 them m4 is

Question # 9

If constants are added to or subtracted from the values of the variable the value of r is

Question # 10

Bias is

Question # 11

The sum of the squares of deviation is least form:

Question # 12

The total angle of pie chart is:

Question # 13

The lowest value of variance is:

Question # 14

If y = 5x +10 and x is N(10,25) then mean of y is:

Question # 15

Current year weighted are used as

Question # 16

For the standardized normal variate P(0Σ z Σ1) =...............

Question # 17

If P(A) = 0.7,P(B) = 0.5,A and B are independent then P(A C B) =

Question # 18

An after Eid sale in store is an example of

Question # 19

A variable which takes measurable values is called a

Question # 20

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

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NAT-I Statistics Chapter 1 Important MCQ's

Sr.# Question Answer
1 The lack of uniformity is called
A. Skewness
B. Symmetry
C. Kurtosis
D. Dispersion
2 A specific value calculated from sample is called
A. Estimator
B. Estimate
C. Estimation
D. Bias
3 Given var (x) = 3 and var (y) = 5.1 f x and y are independent variables then var (x- y)=
A. -2
B. 8
C. 24
D. 2
4 In a straight line equation y = a + bx b is the
A. y intercept
B. Slope
C. x intercept
D. Trend
5 By decreasing ×̅ the length of confidence interval for m
A. Increases
B. Decreases
C. No effect
D. None of these
6 The sum of values divided by their numbers is called
A. Mode
B. Median
C. Mean
D. G.M
7 The median of A,S,S,O,C,I,A,T,E is:
A. S
B. O
C. I
D. None of them
8 The most suitable average in the construction of index number is
A. Mean
B. Geometric mean
C. Median
D. Mode
9 In which sense Statistics means numerical data:
A. Singular
B. Plural
C. Both
D. None of these
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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