Question # 1

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

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Median

Mode

Mean

Sum of the deviations of the variable x from its mean is alwyas....

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Zero

One

Same

Negative

A frequency polygon is a many sides.

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Closed figure

Rectangle

Circle

Triangle

Tan 90 =_________.

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√3/2

1/√3

0

undefined

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

∑▒〖(x-〗 x ̅)=………….

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0

1

-1

2

A frequency polygon is a many sided:

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Closed figure

Rectangle

Square

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

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Frequency

Average

Mode

Median

A cumulative frequency curve is also called:

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Histogram

Pie chart

Ogive

Frequency polygon

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

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Mode

Median

Harmonic mean

Mean

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

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

a deviation is defined as a difference of any value of the variable from a......

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Constant

Histogram

sum

Frequency

A grouped frequency table is also called.............

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Data

Frequency distribution

Frequency polygon

Histogram

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

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63

66

67

69

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

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Median

Mode

Mean

Variance

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

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