Question # 1

Measurement usually provide.

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Discrete data

Continuous data

Primary data

Qualitative data

An expected value of a random variable is equal to its.

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Variance

B.D.

Mean

Co - Variance

A statistic which is not measurable is called.

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A constant

An attribute

A variable

A parameter

For positive skewed distribution mean _________ Median __________ Mode.

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=

<

>

None of these

In binomial distribution, the random variable has a range:

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0,1,2...................n

0,1,2,......+∞

-∞ to +∞

∞ to +0

The word statistics is at present used in

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Two senses

Three senses

Four senses

None of these

When two coins are tossed simulataneously the probability of at most one head is.

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1/2

1/4

3/4

None of these

The mid point of group 5.5 - 7.5 is.

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6

7

7.5

6.5

The parameters of binomial distribution one

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p and q

q and n

n and p

n,p,q

Continuous data are differentitated from discrete data in that

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Discrete data classes are represnted by fractions

Continuous data classes may be represented by fractions

Continous data take on only whole numebrs

Discrete data can take on any real number

The compare the variation of two or more than two sereies, we use.

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Mean absolute deviation

Variance

Coefficient of viariation

Corrected atandard deviation

If x is a random variable with E(x) = 5 then E (3x - 2) =

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0

1

13

15

If two events cannot occur together they are said to be.

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Independent

Dependent

mutually exclusive

Equally likely

M.D. of the values 4,4,4,4 is

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0

4

8

12

Numebr of accidents recorded yesterday n Lahore is a.

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Discrete variable

Continuous variable

Qualitative variable

Constant

The simple probability of occurrence of an event in called the.

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Joint probability

Conditional probability

Marginal probability

Subjective probability

A relative frequency distribution presents frequencies in terms of

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Fractions

Whole numbers

Percentages

Both a and c but not b

Subset of sample space is called

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Event

Simple event

Compound event

Experiment

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Statistics Ics Part 1 Online Test MCQs With Answers

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