Question # 1

The n^th positive root of the product of the x₁,x₂,x₃..................x_n observations is called:

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Mode

Mean

Geometric mean

In a circle radius 10 what is the length of are intercepted by a central angle of 60°:

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π/3m

3/10πm

10π/3m

π/30m

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

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

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0

341

6

170

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

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Median

Mode

Mean

Rang

Standard deviation is denoted by

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x

S

S²

X²

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

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Negative

k itself

Zero

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

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

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4

5

6

8

Mode from the following data ,4.4,5.5,6.6,7.7,8.8,6.5,6.5,7 is..........

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4

5

5.6

5.7

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

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

The spread or scatterness of observations in a data set is called:

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Average

Dispersion

Central tendency

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

A cumulative frequency curve is also called:

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Histogram

Pie chart

Ogive

Frequency polygon

The formula of area of circular sector is:

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l = rθ

r²θ

1/2r²θ

2r²θ

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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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