Question # 1

A grouped frequency table is also called:

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Data

Frequency distribution

Frequency Polygon

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

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Mode

Median

Harmonic mean

Mean

The spread of observations in a data set is called.

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Average

Dispersion

Central tendency

Mean

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

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

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Average

Dispersion

Central tendency

Quartile

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

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0

341

6

170

Variance is denoted by...........................

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V

S

S²

X

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

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Average

Range

Quartiles

One minute is denoted by:

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1'

1''

1°

60'

If θ lies in 2nd (second) quadrant then sin θ and cosecθ are:

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negative

positive

zero

undefined

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

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A.M.

G.M.

H.M

Mode

Tan 90 =_________.

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√3/2

1/√3

0

undefined

Sec² θ -tan²θ =______________.

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sec²θ

cos²θ

1

sin²θ

Mean of a variable with similar observations any constant k is:

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Negative

k itself

Zero

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

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Frequency

Average

Mode

Median

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

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