Question # 1

A histogram is a set of adjacent:

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Squares

Rectangles

Circles

D° M' S"form of 45.36° is:

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45° 21" 36'

45' 21'° 36"

45° 21' 36''

45'' 21' 36°

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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

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Variance

Standard deviation

Range

Mode

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

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Mean

Median

Mode

Variance

The formula of area of circular sector is:

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l = rθ

r²θ

1/2r²θ

2r²θ

The mode in the data 1,3,5,3,7,9

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1

3

5

7

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

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Median

Mode

Mean

Rang

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

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Average

Range

Quartiles

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

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Place

Scale

Rate

None of these

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

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degree

radian

revolution

minute

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

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4

5

8

10

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

The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:

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Harmonic mean

Range

Standard deviation

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

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Zero

One

Same

Negative

Standard deviation is denoted by

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x

S

S²

X²

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

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