Question # 1

In normal distribution.

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Mean > median > mode

Mean = median = mode

Mean < median < mode

None of these

The normal distribution is a bell shaped_______ distribution.

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Discrete

Continuous

Symmetrical

Skewed

All odd order moments about mean are

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unique

zero

different

one

All odd ordered moments about mean are ______ in a normal distribution.

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Zero

Unity

Positive

Negative

Points of inflexion of normal curve are at

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μ and σ

x=μ-σ and x=μ+σ

μ and 2σ

μ = o

Normal distribution ranges from_______.

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1,2,3,............∞

-∞ to +∞

1,2,3,.........n

None of these

P(μ-2σ < X=< μ + 2σ)=

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0.6827

0.9545

0.9973

0.9827

The shape of the normal distribution is like

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J.

L

bell

circle

The total area under the normal curve is________.

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Zero

Equal

Unity

True

The moment Coefficient of kurtosis is

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β₁

β₂

Zero

m₂

Total probability under the normal curve is

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1

0

-1

∞

The maximum ordinate of a normal curve is at X = ________.

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μ

σ

X̅

S.D

The normal distribution is --------------------distribution.

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positively skewed

negatively skewed

symmetrical

peaked

In a normal distribution β₁ = 0 and β₂ = __________.

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2

4

3

5

The point of inflection in normal distribution are _______.

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μ - σ, μ + σ

μ - σ, μ + 2σ

μ, σ

None of these

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

In case of normal distribution maximum value of ordinate is

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μ

Zero

The mean deviation (M.D) of a normal distribution is ________.

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4/5 σ

5/4 σ

2/3 σ

None of these

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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ICS Part 2 Statistics Chapter 10 Online Test MCQs With Answers

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