Question # 1

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

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

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Frequency curve

Polygen

Ogive

Histogram

Which of the following statements is true of cumulative frequency polygons or ogives for a particular set of data.

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Both less than and or more curves have the same shape

Or more curves slope up and to the right

Less than curve slope down and to the right

Less than curve slope up and to the right

Data classified by attributes are called.

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Continuous data

Quantitative data

Qualitative data

Grouped data

The average of lower and upper class limits is called.

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Class boundary

class frequency

Class mark

Class limit

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

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Stub

Body

Box plot

Box head

when constructing a frequency distribution, the first step is.

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Divide the data into at least five classes

arrange the dta into an array

Decide on the type and number of classes for dividing the data

None of these

Classification of data according to locations or areas is called.

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Temporal classification

Geographical classification

Qualitative classification

Quantitative classification

A frequency polygon is clsed figure which is.

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One sided

Two sided

Three sided

Many sided

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

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J - Shaped curve

Negative skewed curve

Positively skewed curve

Symmetrical curve

The process of arranging data into rows and columns is called.

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Freqeuncy distribution

Classification

Tabulation

Array

In construction of frequency distribution the first step is:

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To calculate the calss marks

To find range of the

To find the class boundaries

None of these

As the numebr of observations and classes increase, the shape of a frequency polygon.

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Tends to become increasingly asmooth

Tends to become jagged

stays the same

Varies if data become more reliable

Which of the following is written at the top of the table.

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Souce note

Foot notte

Prefatory note

Title

In constructing a frequency distribution for a sample, the numebr of classes depends on.

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The number of data points

The range of the data colelcted

Teh size of the population

Both a and b but not c

If a curve can be divided into two parts that are marror images,it is called a.

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Skewed curve

Symmetrical curve

J-Shaped curve

Frequency curve

An Ogive is a

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Frequency curve

Frequency polygon

Cumulative frequency polygon

Frequency histogram

Histogramis a graph of.

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Qualitative data

Time sereis

Ogive

Frequency distribution

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Statistics Ics Part 1 Chapter 2 Online Test MCQs With Answers

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