Question # 1

The observation that divide a data set into four equal parts are called.

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Declies

Quartiles

Percentiles

Harmonic mean

A deviation is defined as a difference of any value of the variable from a.

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Constant

Historgram

Sum

Product

A group frequency table is called.

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Data

Frequency distribution

Frequency polygon

None of these

Types of dispersion are.........................

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4

5

6

8

To find the public opinion or trend the most suitable statistics is:

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Mean

Median

Mode

Variance

The measure which determines the middle most observation in a data set is called.

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Median

Mode

Mean

Rang

Formula l=rθ is true only when θ is in:

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degree

radian

revolution

minute

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

The extent of variation between two extreme observations of a data set is measured by:

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Average

Range

Quartiles

A histogram is a set of adjacent.

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Squares

Rectangles

Circles

Closed figures

The measures that are used to determine the degree or extent of variation in a data set are called measures of:

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Dispersion

Central tendency

Average

The spread of observations in a data set is called.

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Average

Dispersion

Central tendency

Mean

The most frequent occurring observation in a data set is called:

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Mode

Median

Harmonic mean

Types of measures of central tendency are................

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3

4

5

6

A frequency polygon is a many side....................

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Closed figure

Rectangle

Square

Circles

The positive square coot of mean of the squared deviations of x₁ (i = 1,2..........n) observation from their arithmetic mean is called.

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Harmonic mean

Range

S.D

Variance

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Mathematics 10th Class English Medium Unit 6 Online Test MCQs With Answers

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