Question # 1

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

The nth positive root of the product of the x₁,x₂,x₃,..............x₁₁ observation is called.

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Mode

Mean

Geometric mean

Median

In class (20-29), Midpoint or class mark is...................

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20.5

24.5

29

49

If the rotation of the ray is clockwise, the angle is _____________ in measure:

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positive

negative

initial

terminal

If θ lies in 2nd (second) quadrant then sin θ and cosecθ are:

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negative

positive

zero

undefined

The difference between upper limit of two consecutive classes is a frequency table is called:

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Class limit

Class interval

Class mark

All of these

Mean is affected by change in:

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Value

Ratio

Origin

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

The mean of the squared deviations of X observations from their arithmetic mean is called.

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Variance

Standard deviation

Range

Harmonic mean

The measure of central tendency which is not affected by extreme values is called:

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Median

Arithmetic mean

Geometric mean

None of these

Standard deviation is denoted by

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x

S

S²

X²

The circumference of a circle is divide into _____________ degrees:

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180°

270°

360°

30°

median from the data 82,93,86,92 and 79 is.................

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82

86

92

93

Geometric mean of 2,4,8 is......................

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2

4

8

3

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

If tan θ = √3 then θ =____________.

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30°

45°

60°

90°

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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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