Question # 1

The observations that divide a data set into four equal parts are called:

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Deciles

Quartlies

Percentiles

One minute is denoted by:

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1'

1''

1°

60'

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

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Negative

K- itself

zero

one

In class (10-19) , upper class limit is.

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10

19

29

14.5

The standard deviation is 6 then its variance is...........

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√6

36

3

6

Range for the data 110,109,84,89,77, 104,74,97,49,59,103,62 is.....

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41

51

61

71

If tan θ = √3 then θ =____________.

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30°

45°

60°

90°

In the given set of data 5,5,5,5,5,5,5 the standard deriation is:

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5

0

7

None of these

In the given set of data 5,7,7,5,3,7,2,8,2 mode is:

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9

5

2

7

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

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

The spread of observations in a data set is called.

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Average

Dispersion

Central tendency

Mean

Types of measures of central tendency are................

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3

4

5

6

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/-

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 size of class interval (6-10) is.

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4

5

8

10

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

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