Question # 1

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

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μ

σ

X̅

S.D

The moment coefficient of skewness is

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β₁

β₂

S_k

m₃

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

The normal distribution is a bell shaped_______ distribution.

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Discrete

Continuous

Symmetrical

Skewed

In normal distribution.

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Mean > median > mode

Mean = median = mode

Mean < median < mode

None of these

The shape of the normal distribution is like

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J.

L

bell

circle

The moment Coefficient of kurtosis is

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β₁

β₂

Zero

m₂

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

The range of a normal distribution is

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—∞ to 1

—∞ to 0

—∞ to + ∞

0 to ∞

In a normal distribution,_____= μ + 0.64745 σ

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Q₁

Q₃

μ

σ

The total area under the normal curve is________.

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Zero

Equal

Unity

True

The normal distribution is represented as_______

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N (μ,σ²)

N (n,p)

N (0,σ²)

None of these

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

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positively skewed

negatively skewed

symmetrical

peaked

The maximum ordinance of the standard normal Curve is at Z = ______.

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1.96

2.33

1

0

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β₁

β₂

β₃

S_k

If X - N (50,25), then=σ = ________.

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3

5

25

50

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

Second moment about mean is also called

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mean

variance

skewness

standard deviation

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