Statistics MCQS for NTS Set 1

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Statistics MCQS for NTS Test


If the two variables are uncorrelated then the value of “r” is
-1
F1
0
Fractional

First moment about mean is always:
Negative
Zero
1
None of these

The types of dispersion are:
2
3
5
4

Drag and drop is a term associated with
Printer
Mouse
Key-board
Scanner

If z = x – y then  is:
x?y?
x? – y?
x?+y?
0

The harmonic mean of two numbers a and b is:
2ab/ a+ b
a + b/ ab
ab / a + b
2 /  a +b

The parameters of the binomial distribution are:
p and q
n,p and q
n and p
q and n

The most suitable average for index numbers is:
Arithmetic mean
Harmonic mean
Median
Geometric mean

Shortage of certain consumer goods before annual budget
Seasonal variation
Secular trend
Cyclical variation
Irregular variation

An after Eid sale in store is an example of
Attributes
Constants
Secular trend
None of those

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