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Online Tests
ICS Part 2 Statistics Chapter 10 Online Test MCQs With Answers
Question # 1
The maximum ordinance of the standard normal Curve is at Z = ______.
Choose an answer
1.96
2.33
1
0
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Question # 2
Total probability under the normal curve is
Choose an answer
1
0
-1
∞
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Question # 3
P(μ-2σ < X=< μ + 2σ)=
Choose an answer
0.6827
0.9545
0.9973
0.9827
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Question # 4
Normal distribution is
Choose an answer
unimodal
bimodal
trimodal
multimodal
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Question # 5
In case of normal distribution the area to the left of the mean and area to the right of the mean is
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positive
negative
equal
unequal
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Question # 6
Normal distribution ranges from_______.
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1,2,3,............∞
-∞ to +∞
1,2,3,.........n
None of these
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Question # 7
μ - 2σ to=μ + 2σ contains approximately_______ area.
Choose an answer
75%
50%
95.45%
99.73%
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Question # 8
P ( | Z | > a) =
Choose an answer
2
ø(a) - 1
ø(a)
2 ø (-a)
1-ø(a)
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Question # 9
The shape of the normal distribution is like
Choose an answer
J.
L
bell
circle
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Question # 10
The maximum ordinate of a normal curve is at X = ________.
Choose an answer
μ
σ
X̅
S.D
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Question # 11
All odd ordered moments about mean are ______ in a normal distribution.
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Zero
Unity
Positive
Negative
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Question # 12
All odd order moments about mean are
Choose an answer
unique
zero
different
one
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Question # 13
In a normal distribution β
1
= 0 and β
2
= __________.
Choose an answer
2
4
3
5
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Question # 14
In case of symmetrical distribution
Choose an answer
μ
1
= μ
2
= μ
3
= μ
4
β
1
= β
2
P
1
< P
2
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Question # 15
The Quartile deviation (Q.D) of a normal distribution is_______.
Choose an answer
4/5 σ
5/4 σ
2/3 σ
None of these
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Question # 16
Second moment about mean is also called
Choose an answer
mean
variance
skewness
standard deviation
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Question # 17
The probability density function has ------------------ value for every value of x.
Choose an answer
negative
positive
minimum
maximum
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Question # 18
The mean deviation (M.D) of a normal distribution is ________.
Choose an answer
4/5 σ
5/4 σ
2/3 σ
None of these
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Question # 19
In normal distribution.
Choose an answer
Mean > median > mode
Mean = median = mode
Mean < median < mode
None of these
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