Question # 1

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β₁

β₂

β₃

S_k

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

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1.96

2.33

1

0

Second moment about mean is also called

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mean

variance

skewness

standard deviation

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

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

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Zero

Unity

Positive

Negative

Total probability under the normal curve is

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1

0

-1

∞

The moment Coefficient of kurtosis is

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β₁

β₂

Zero

m₂

The probability density function has ------------------ value for every value of x.

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negative

positive

minimum

maximum

Normal distribution is

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unimodal

bimodal

trimodal

multimodal

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

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μ

σ

X̅

S.D

The total area under the normal curve is________.

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Zero

Equal

Unity

True

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 symmetrical distribution

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μ₁ = μ₂ = μ₃ = μ₄

β₁ = β₂

P₁ < P₂

μ - 2σ to=μ + 2σ contains approximately_______ area.

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75%

50%

95.45%

99.73%

P(μ-2σ < X=< μ + 2σ)=

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0.6827

0.9545

0.9973

0.9827

For normal distribution mean always lies between.

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Median and mode

Median and Q₁

Median and Q₃

None of these

In case of normal distribution maximum value of ordinate is

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μ

Zero

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

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ICS Part 2 Statistics Chapter 10 Online Test MCQs With Answers

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