Question # 1

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

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2π

3π

4π

6π

A Deviation is defined as a difference of any value of the variable from a:

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Constant

Histogram

Sum

The spread or scatterness of observations in a data set is called:

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Average

Dispersion

Central tendency

The observation that divide a data set into four equal parts are called.

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Declies

Quartiles

Percentiles

Harmonic mean

The circumference of a circle is divide into _____________ degrees:

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180°

270°

360°

30°

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

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Median

Mode

Mean

Variance

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

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Mode

Median

Harmonic mean

Mean

The nth root of product of 'n' number of values is called:

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Arithematic mean

Geometric mean

Harmonic mean

Standard deriviation

On the basic of types of variable of data, the types of frequency distribution are.

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2

3

4

5

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

Quartile

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

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Harmonic mean

Range

Standard deviation

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

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Frequency

Average

Mode

Median

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

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6.08

5.08

7.08

4.08

A value best representing a set of data is called:

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Average

Variance

Standard deriviation

None of these

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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

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63

66

67

69

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