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QUESTION: 1

Consecutive rectangles in a Histogram have no space in between

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QUESTION: 2

For the construction of grouped frequency distribution from ungrouped data we use

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QUESTION: 3

In Histogram if the classes of unequal width then the heights of the rectangles must be proportional to the frequency densities.

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QUESTION: 4

In representing simple frequency distributions of a discrete variable

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QUESTION: 5

Class boundaries should be considered to be the real limits for the class interval

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QUESTION: 6

“Cumulative Frequency” only refers to the

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QUESTION: 7

Most extreme values which would ever be included in a class interval are called

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QUESTION: 8

The number of types of cumulative frequency is

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QUESTION: 9

Frequency density is used in the construction of

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QUESTION: 10

Vertical bar chart may appear somewhat alike

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QUESTION: 11

In the construction of a frequency distribution, it is generally preferable to have classes of

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QUESTION: 12

For determining the class frequencies it is necessary that these classes are

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QUESTION: 13

Frequency density is used in the construction of

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QUESTION: 14

The number of observation falling within a class is called

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QUESTION: 15

For the construction of a grouped frequency distribution

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QUESTION: 16

In all Statistical and diagrams involving end points of classes

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QUESTION: 17

Tally marks determines

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QUESTION: 18

The number of errors in Statistics are

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QUESTION: 19

The number of “ Frequency distribution” is

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QUESTION: 20

The graphical representation of a cumulative frequency distribution is called

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QUESTION: 21

When all classes have a common width

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QUESTION: 22

An area diagram is

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QUESTION: 23

(Class frequency) / (width of the class) is defined as

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QUESTION: 24

An approximate idea of the shape of frequency curve is given by

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QUESTION: 25

Cumulative Frequency Distribution is a

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QUESTION: 26

A table has

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QUESTION: 27

In general the number of types of tabulation are

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There are two types of tabulation methods :

a)simple tabulation

b)complex tabulation.

QUESTION: 28

Unequal widths of classes in the frequency distribution do not cause any difficulty in the construction of

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QUESTION: 29

To find the number of observations less than any given value

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QUESTION: 30

Ogive is a

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QUESTION: 31

The most common form of diagrammatic representation of a grouped frequency distribution is

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QUESTION: 32

The following data relate to the marks of 48 students in statistics:

What are the frequency densities for the class interval 30-39, 40-49 and 50-59

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QUESTION: 33

The relationship between two variables are shown in

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QUESTION: 34

The following data relate to the incomes of 86 persons:

What is the percentage of persons earning more than Rs. 1500?

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QUESTION: 35

Cost of sugar in a month under the heads Raw Materials, labour, direct production and others were 12, 20, 35 and 23 units respectively. What is the difference between the central angles for the larges and smallest components of the cost of sugar?

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QUESTION: 36

In a study about the male and female students of commerce and science departments of a college in 5 years, the following dates were obtained:

After combining 1995 and 2000 if x denotes the ratio of female commerce students to female Science student and y denotes the ratio of male commerce student to male Science student, then

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QUESTION: 37

Out of 1000 persons, 25 per cent were industrial workers and the rest were agricultural workers. 300 persons enjoyed world cup matches on TV. 30 per cent of the people who had not watched world cup matches were industrial workers. What is the number of agricultural workers who had enjoyed world cup matches on TV?

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QUESTION: 38

Details are shown by

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QUESTION: 39

Graph is a

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QUESTION: 40

A sample study of the people of an area revealed that total number of women were 40% and the percentage of coffee drinkers were 45 as a whole and the percentage of male coffee drinkers was 20. What was the percentage of female not-coffee drinkers?

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### Statistical Description of Data

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### MCQ - Statistical Description of Data

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