Question # 1

A data in the form of frequency distribution is called.

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Grouped data

Ungroup data

Same

None of these

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

The radiance measure of an angle that forms a complete circle is:

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2π

3π

4π

6π

A cumulative frequency table is called.

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Frequency distribution

Data

Less then frequency distribution

None of these

A frequency polygon is a many side....................

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Closed figure

Rectangle

Square

Circles

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

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Squares

Rectangles

Circles

Dots

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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

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4

5

8

10

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

Variance is denoted by...........................

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V

S

S²

X

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

The spread or scatierness of observations in a data set is called.

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Average

Dispersion

Central tendency

Quartile

In a set of data 63,65,66,67,69, median is:

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63

66

67

69

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

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82

86

92

93

∑▒〖(x-〗 x ̅)=………….

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0

1

-1

2

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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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