Question # 1

The smallest and larges value of any given class of frequency distribution are called.

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Class limits

Class interval

Class marks

Class Boundry

CPI falls in the category of.

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A simple index

An aggregative

An inflationary index

Wholesale price index

Which of the following statements is true.

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As a rule statisticians genereally use between 6 and 15 classes.

As a rule, statisticians regards a frequency distribution incomplete if it has fewer than 20 classes.

Classes describe only one characteristics the data ebign organized

None of these

The sum of absolute deviations is a minimum if these deviations are taken from the

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Mean

Mode

Median

All of these

The hypergeometric distribution has parameters

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Two

Three

Four

Five

In binomial distribution it is impossible to find

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P(x L)

P(x=0)

P(x > 0)

P(0≤ x≤∞)

The provability can never be,

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0

1

1/52

Negative

Y₃+y₄+......+y₁₅ =

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Σ¹⁵ _i=1 Y₁

Σ¹⁵ _i=3 Y₂

¹⁵Σ_i=3 Y_i

¹⁵Σ_i=3Y_i²

The probability of a continuous random variable at x = a is ---------------

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One

Zero

Between 0 and 1

More than one

If b₂ = 3, then the distribution is:

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leptokurtic

Platykurtic

Normal

None of these

The value of standard deviation changes by change of.

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Origin

Algebraic sign

Scale

None

Mean of hypergeometric distribution is

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mN/k

nK/N

k/nN

Nk/n

Numebr of accidents recorded yesterday n Lahore is a.

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Discrete variable

Continuous variable

Qualitative variable

Constant

The sum of square of deviations of the observations from their mean is

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Minimum

Maximum

Zero

None of these

Binomial distribution has parameter

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One

Two

Three

Four

Two methods of data arrangement are

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Array and frequency distribution

Frequency distribution and histogram

Array and frequency polygon

Histogram and array

The numebr of classes in a frequency distribution is obtained by dividing the range of variable by the.

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Total frequency

Class interval

Relative freqeuncy

Mid -points

If a curve has a longer tail to the left . it is called a.

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Symmetrical curve

Positive skewed curve

Negatively skewed curve

None of these

More Classes

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Statistics Ics Part 1 Online Test MCQs With Answers

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