Question # 1

The sum of 30 observations is 1500. Its average will be:

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1500

150

15

None of these

In a set of data, the difference between highest value and lowest value is called:

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Standard deriation

Range

Dispersion

All of these

1+ cot² θ = __________.

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tan²θ

cosec²θ

cot²

sec²θ

The concept of antilogarithm is used to find the value of..............

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A.M.

G.M.

H.M

Mode

The observation that divide a data set into four equal part, are called.

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Decites

Quartiles

Percentiles

Mode

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

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

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negative

positive

zero

undefined

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

A deviation is defined as a difference of any value of the variable from a.

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Constant

Historgram

Sum

Product

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

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1

3

5

7

The reciprocal of Arithematic mean of reciprocal of values is called:

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Average

Harmonic mean

Geometric mean

None of these

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

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Mean

Median

Mode

Variance

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

A histogram is a set of adjacent.

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Squares

Rectangles

Circles

Closed figures

The most frequent occurring observation in a set of data is called.

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Mode

Median

Hamonic mean

Mean

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

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Place

Scale

Rate

None of these

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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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