Question # 1

The mean of a constant 'a' is

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0

a/2

a²

None of these

If p = q = 1/2 then distribution is called.

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Postively

Skewed

Symmetrical

Negatively

E(x - μ) is equal to:

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E(x)

zero

μ

X - μ

If y =-7x then E(y) = ...............

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E(x)

-7X

-7E(X)

Zero

ⁿC_r is calculated by formula

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When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:

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Binomial

Hypergeometric

Both Binomial & hypergeometric

None of these

Numebr of accidents recorded yesterday n Lahore is a.

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Discrete variable

Continuous variable

Qualitative variable

Constant

Countings or enumerations usualy privide.

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Continuous data

Qualitative data

Discrete data

Grouped data

The simplest form of the continuous distribution is the.

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Skewed distribution

Kurtic distribution

Binomial distribution

Uniform distribution

Which is the followig measures cannot be calculated for the numbers 5,8, 12,6, 9, 13, 10

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Median

Mean

Mode

None of these

Data used by an agency which orginally collected them are.

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Primary data

Raw data

Secondary data

Grouped data

Any study in which the scientist can control the allocation of treatments to the experimental units is called.

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Trial

Analysis

Experiment

Survery

Life of a T.V. tube is a.

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Discrete variable

Continuous varaible

Constant

Qualitative variable

In 60- 70 , the lower limit is.

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50

55

60

70

Probability of a sure event is

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Zero

Less than one

Greater than one

One

Price of commodity in current year can be represented as

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P_oi

P_on

P_n

P_i

Var (3x+2)

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3Var(x) + 2

9Var(x) +2

Var (x) + 0

3Var (X)

The binomial distribution deal with:

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Discrete variable

Continuous variable

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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