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Statistics Ics Part 2 Online Test MCQs With Answers
Question # 1
Choose an answer
37
132
32
cannot be calculated
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Question # 2
If the observations are paired and the number of pairs is n, then the number of degree of freedom is equal to
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n
n - 1
2n
2n - 1
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Question # 3
In the measurement of secular trend the moving averages
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give the trend in a straight line
measure the seasonal variations
smoothes out a time series
measure irregular fluctuations
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Question # 4
In simple linear regression, the number of unknown constants are:
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Two
Three
Four
Five
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Question # 5
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independent
positively associated
negatively associated
correlated
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Question # 6
The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called
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equation
relation
ratio
regression
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Question # 7
If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula
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Question # 8
The sample size n is reasonably large so that for each cell, the estimated expected frequency must be at least
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2
3
4
5
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Question # 9
The sum of deviations=Σ(y-ŷ) =
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0
1
10
-1
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Question # 10
A quantitative statement about a population is called:
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Research hypothesis
Composite hypothesis
Simple hypothesis
Statistical hypothesis
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Question # 11
In normal distribution.
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Mean > median > mode
Mean = median = mode
Mean < median < mode
None of these
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Question # 12
Joystick is an example of:
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Input devices
Output devices
Processing devices
Storage devices
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Question # 13
The degree of relationship between the two attributes is called
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regressor
correlation
regressand
association
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Question # 14
In the measurement of secular trend the moving averages:
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Give the trend in a straight line
Measure the seasonal variations
Smooth out a time series
None of these
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Question # 15
RAM is called_______storage.
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Primary
Secondary
Control
Scanner
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Question # 16
The Quartile deviation (Q.D) of a normal distribution is_______.
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4/5 σ
5/4 σ
2/3 σ
None of these
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Question # 17
Random sampling provide reliable ______.
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Samples
Units
Estimates
Frame
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Question # 18
In case of symmetrical distribution
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μ
1
= μ
2
= μ
3
= μ
4
β
1
= β
2
P
1
< P
2
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