Question # 1

Range of the ungroup data can be calculate by formula.

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X_m - X_m

X_m - X₀

X₀

X₀ - X_m

Mid poitns of top of the rectangular of historgram are joined to get.

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Frequency curve

Polygen

Ogive

Histogram

Important bases of classification are.

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Two

Three

Four

More than four

Continuous data are differentitated from discrete data in that

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Discrete data classes are represnted by fractions

Continuous data classes may be represented by fractions

Continous data take on only whole numebrs

Discrete data can take on any real number

The secton of table that contains the column caption is called.

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Stub

Body

Box plot

Box head

An Ogive is a

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Frequency curve

Frequency polygon

Cumulative frequency polygon

Frequency histogram

As a general rule, when arranging data statisticians tend to use.

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Less than six classes

Between six and fifteen classes

Only fifteen classes

More than twenty classes

Classification of data by quantitative characteristcs is called.

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Qualitative classification

Quantitative classificaton

Geographical classification

Temporal classification

Graphs of frequency distributions are used because.

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they have a long history in practical applications

They attract attenstion to data pattern

They account for biased or incomplete data

None of thses

A graph of cumulative frequency is called:

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Histogeram

Frequency polygon

Ogive

Frequency curve

The difference between the upper and the lower boundaries of a class are known as:

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class marks

class intensive

class frequency

class limit

The frequency of a class divided by total frequency is called.

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Class frequency

Cumulative

Relative freqeuncy

Total frequency

The foot note are usually indicated by.

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(.............)

(***)

(------)

(____)

Freqeucny is denoted by

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f

c

q

p

Data which have been arranged in ascending or descending order are called.

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Raw data

Grouped data

Arrayed data

Un grouped data

A chart in which total magnitude and its compnents are compared is called a

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Component bar chart

Pie chart

Percentage compoent bar chart

All of these

If a curve has a longer tail to the left . it is called a.

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Symmetrical curve

Positive skewed curve

Negatively skewed curve

None of these

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Statistics Ics Part 1 Chapter 2 Online Test MCQs With Answers

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