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Statistics Ics Part 2 Online Test MCQs With Answers
Question # 1
Choose an answer
6Σd
1
5Σd
1
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Question # 2
1 -&=nbsp;α is call:
Choose an answer
Confidence coefficient
Power of the test
Size of the test
Level of significance
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Question # 3
CD-ROM is a type of _________.
Choose an answer
Optical disk
Hard disk
Soft disk
Compact disk
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Question # 4
A binary digit is commonly called:
Choose an answer
Byte
Kilobyte
Gigabyte
Bit
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Question # 5
Given=μ0 = 170, X̅ = 190,σ = 36 and n = 9; which statistic is appropriate?
Choose an answer
t
z
x2
F
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Question # 6
RAM is called
Choose an answer
primary storage
secondary storage
tertiary storage
tetra storage
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Question # 7
Joystick is an example of:
Choose an answer
Input devices
Output devices
Processing devices
Storage devices
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Question # 8
The normal distribution is a bell shaped_______ distribution.
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Discrete
Continuous
Symmetrical
Skewed
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Question # 9
The degree of confidence is equal to:
Choose an answer
β
1 - β
1 - α
α
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Question # 10
A sample is usually selected by_______.
Choose an answer
With
Without
Finite
Infinite
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Question # 11
If b
yx
= 0.89 and b
xy
= 0.75, then r=
Choose an answer
0.89
0.28
0.98
0.82
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Question # 12
(α) = (αB) + ------------------
Choose an answer
(Aβ)
(AB)
(αβ)
(A)
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Question # 13
The normal distribution is a _______.
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Positive
Negative
Discrete
Continuous
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Question # 14
All odd ordered moments about mean are ______ in a normal distribution.
Choose an answer
Zero
Unity
Positive
Negative
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Question # 15
If two attributes A and B have perfect positive association value of the coefficient of association is equal to _______.
Choose an answer
+1
-1
0
(r-1)(c-1)
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Question # 16
Which error is occurred when the defendant were found guilty if, infect the defendant is innocent
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type-I
type-II
no error
both a and b
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Question # 17
The following statistic are unbiased estimators:
Choose an answer
The Sample mean
S
2
= Σ(X - X)
2
/n-1
The sample proportion
All the above
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Question # 18
If 1-α = 0.90, the value of Z
a/2
is:
Choose an answer
1.645
1.96
2.326
2.575
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