Question # 1

The measure which determines the middlemost observation in a data set is called...................

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Median

Mode

Mean

Variance

The arrangement of data is necessary to find the value of.

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Mean

Median

Mode

Range

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

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4

5

8

10

Arithmetic means is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their...

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Number

Group

Denominator

Numerator

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°

The value obtained by reciprocating the mean of the reciprocal of x₁,x₂,x₃..............x₁₁ observation is called....................

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Geometric mean

Median

Harmonic mean

S.D

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

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

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1

3

5

7

The positive square root of mean of the squared deviation of X,{1=1,2,3,.......n) observations from their arithmetic mean is called.

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Harmonic mean

Range

Standard deviation

Variance

A data in the form of frequency distribution is called.

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Grouped data

Ungroup data

Same

None of these

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

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Deciles

Quartlies

Percentiles

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

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Average

Dispersion

Central tendency

Quartile

A cumulative frequency curve is also called:

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Histogram

Pie chart

Ogive

Frequency polygon

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

The measure which determines the middle most observation in a data set is called.

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Median

Mode

Mean

Rang

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

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