Question # 1

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

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Average

Range

Quartiles

Mode

Arithmetic mean of 34,34,34,34,34,34 is.

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0

341

6

170

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

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degree

radian

revolution

minute

Sum of the deviations of the variable x from its mean is alwyas....

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Zero

One

Same

Negative

An ______________ is defined as the union of two non-col-linear rays with some common end point:

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angle

vertex

initial side

terminal

A histogram is a set of adjacent.........

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Squares

Rectangles

Circles

Dots

A grouped frequency table is also called.............

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Data

Frequency distribution

Frequency polygon

Histogram

A cumulative frequency table is also called:

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Frequency distribution

Data

Less than cumulative frequency distribution

A cumulative frequency table is called.

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Frequency distribution

Data

Less then frequency distribution

None of these

During frequency distribution number of groups should be between........

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5 and 10

10 and 15

10 and 20

5 and 15

In a set of data 41,43,47,51,57,52 ,59 median is:

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51

47

52

None of these

Mean is affected by change in:

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Value

Ratio

Origin

In the given set of data 5,5,5,5,5,5,5 the standard deriation is:

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5

0

7

None of these

A histogram is a set of adjacent.

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Squares

Rectangles

Circles

Closed figures

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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