Question # 1

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

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1.96

2.33

1

0

Total probability under the normal curve is

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1

0

-1

∞

P(μ-2σ < X=< μ + 2σ)=

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0.6827

0.9545

0.9973

0.9827

Normal distribution is

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unimodal

bimodal

trimodal

multimodal

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

Normal distribution ranges from_______.

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1,2,3,............∞

-∞ to +∞

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

None of these

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

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75%

50%

95.45%

99.73%

P ( | Z | > a) =

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2ø(a) - 1

ø(a)

2 ø (-a)

1-ø(a)

The shape of the normal distribution is like

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J.

L

bell

circle

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

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μ

σ

X̅

S.D

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

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Zero

Unity

Positive

Negative

All odd order moments about mean are

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unique

zero

different

one

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

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2

4

3

5

In case of symmetrical distribution

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μ₁ = μ₂ = μ₃ = μ₄

β₁ = β₂

P₁ < P₂

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

Second moment about mean is also called

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mean

variance

skewness

standard deviation

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

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negative

positive

minimum

maximum

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 normal distribution.

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Mean > median > mode

Mean = median = mode

Mean < median < mode

None of these

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ICS Part 2 Statistics Chapter 10 Online Test MCQs With Answers

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