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Online Tests
Statistics Ics Part 2 Online Test MCQs With Answers
Question # 1
Choose an answer
6Σd
1
5Σd
1
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Question # 2
The standard error of the estimate increased by decreasing
Choose an answer
population
sample size
errors
precision
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Question # 3
Another name of probability sampling is________ sampling.
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Random
Non-random
Error
Bias
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Question # 4
Monitors, PC projectors and sound systems are
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soft copy output devices
real copy output devices
raw copy output devices
hardcopy output devices
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Question # 5
The most common type of computer memory is called
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ROM
REM
RAM
RIM
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Question # 6
Choose an answer
37
132
32
cannot be calculated
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Question # 7
The degree of linear relationship between two variable is called________.
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Dependent
Association
Positive
Correlation
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Question # 8
Choose an answer
b
yx
b
xy
S
p
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Question # 9
In N is the size of population and N is the size of sample then possible samples that can be drawn with replacement are.
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N/n
N
n
Nen
None of these
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Question # 10
Keyboard is commonly used_______device.
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Output
Input
Primary
Secondary
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Question # 11
P(type II error) is equal to:
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α
β
1 - α
1 - β
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Question # 12
Confidence intervals which are often used in practice are
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90%
95%
98%
all of these
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Question # 13
A statistical hypothesis is an assertion or conjecture about the distribution of random variables
Choose an answer
one
two
one or more
three
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Question # 14
The graph of a time series is called
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histogram
polygon
straight line
historigram
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Question # 15
Which of the following is not composite hypothesis?
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μ
<
μ
^
μ
>
μ
0
μ = μ
o
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Question # 16
If r = -1, then there is
Choose an answer
negative correlation
perfect negative correlation
no correlation
average correlation
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Question # 17
The trend values in freehand curve method are obtained by:
Choose an answer
Equation of straight line
Second degree parabola
Signal
Graph
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Question # 18
For a least squares linear trend ŷ = a + bx, the Σ(y-ŷ)
2
= 0 when
Choose an answer
all the y-values lie on the line
all the y-values are positive
all the y-+values lie above the line
none of these
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