Question # 1

The measures that are used to determine the degree or extent of variation in a data set are called measures of:

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Dispersion

Central tendency

Average

In class (30-39), lower class limit is....

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39

9

30

34.5

A data in the form of frequency distribution is called:

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Grouped data

Ungrouped data

Histogram

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

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20.5

24.5

29

49

D° M' S"form of 45.36° is:

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45° 21" 36'

45' 21'° 36"

45° 21' 36''

45'' 21' 36°

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

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positive

negative

initial

terminal

The most frequently occurring observation in a data set is called.

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Mode

Median

Harmonic mean

Mean

The number of time a value appears on a set of data is called:

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Frequency

Average

Mode

Median

The extent of variation between two extreme observations in a data is called.

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Average

Range

Quartiles

None of these

The average pocket money of 30 students is Rs.20/- , The total amount in the class is:

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Rs.20/-

Rs.30/-

Rs.300/-

Rs.600/-

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

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0

341

6

170

Median from the data 2.3,2.7,2.5,3.1 and 1.9 Is.........................

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2.3

2.5

2.7

2.9

Mean of a variable with similar observations say constant k is............

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Negative

K- itself

zero

one

A value best representing a set of data is called:

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Average

Variance

Standard deriviation

None of these

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

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1

3

5

7

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

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

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