Question # 1

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

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63

66

67

69

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

In a cumulative frequency polygon freqncies are plotted against.

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Midpoints

Upper class boundaries

Class limits

Frequency

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

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Average

Range

Quartiles

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

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Mode

Median

Hamonic mean

Mean

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

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positive

negative

initial

terminal

Sum of the deviations of the variable "X" from its mean is always:

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Zero

One

Same

Rang =.................

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X_m+ X_o

X_m-X_o

X_m/X_o

X_o/X_m

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

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A.M.

G.M.

H.M

Mode

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

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1

3

5

7

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

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

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Variance

Standard deviation

Range

Harmonic mean for 1,2,5,8,4 is....................

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6.08

5.08

7.08

4.08

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

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

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2

4

8

3

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

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4

5

6

8

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

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