Question # 1

In a cumulative frequency polygon freqncies are plotted against.

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Midpoints

Upper class boundaries

Class limits

Frequency

A histogram is a set of adjacent:

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Squares

Rectangles

Circles

The size of class interval (6-10) is.

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4

5

8

10

The observations that divide a data set into four equal parts are called:

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Deciles

Quartlies

Percentiles

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

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3

4

5

6

Arithmetic mean is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their:

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Number

Group

Denominator

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

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Median

Mode

Mean

Rang =.................

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X_m+ X_o

X_m-X_o

X_m/X_o

X_o/X_m

In a class of frequency distribution 14 - 18, the 18 is:

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Upper class limit

Lower class limit

Class interval

All of these

In a cumulative frequency Polygon frequencies are plotted against:

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Mid points

Upper class boundries

Class limits

A data in the form of frequency distribution is called.

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Grouped data

Ungroup data

Same

None of these

1+ cot² θ = __________.

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tan²θ

cosec²θ

cot²

sec²θ

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

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Average

Range

Quartiles

Mode

Mean is affected by change in ..........

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Place

Scale

Rate

None of these

The extent of variation between two extreme observations in a data is called.

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Average

Range

Quartiles

None of these

Mean of a variable with similar observations any constant k is:

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Negative

k itself

Zero

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10th Class Mathematics Chapter 6 Basic Statistics English Medium KPK Boards Online MCQ's MCQs With Answers

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