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This mock test of Test: Statistical Description Of Data - 3 for CA Foundation helps you for every CA Foundation entrance exam.
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QUESTION: 1

The data given below refers to the marks gained by a group of students:

Then the no. of students getting marks more than 30 would be ______________.

Solution:

QUESTION: 2

There were 200 employees in an office in which 150 were married. Total male employees were 160 out of which 120 were married. What was the number of female unmarried employees?

Solution:

QUESTION: 3

From which graphical representation, we can calculate partition values?

Solution:

QUESTION: 4

For the class 20-30, cumulative frequency is

Solution:

QUESTION: 5

Difference between the maximum and minimum value of a given data is called

Solution:

QUESTION: 6

The best method of presentation of data is

Solution:

QUESTION: 7

A pie diagram is used to represent the following data:

The central angles in the pie diagram corresponding to income tax and wealth tax respectively:

Solution:

QUESTION: 8

The following data relates to the marks of a group of students.

Marks No. of Students

More than 70% 07

More than 60% 18

More than 50% 40

More than 40% 60

More than 30% 75

More than 20% 100

How many students have got marks less than 50%?

Solution:

**Correct Answer :- a**

**Explanation **: 40 students got marks more than 50%

Let Total students = 100

Students got marks less than 50% = 100 - 40

= 60 students.

QUESTION: 9

If calss interval is 10-14, 15-19, 20-24, then the first class is

Solution:

QUESTION: 10

Which of the following is not a two dimensional diagram?

Solution:

QUESTION: 11

The difference between the upper and lower limit of a class is called ___________.

Solution:

QUESTION: 12

To draw Histogram, the frequency distribution should be:

Solution:

QUESTION: 13

Cost of Sugar in a month under the heads raw materials, labour, direct production and others were 12, 20, 35 & 23 units respectively. The difference between their central angles for the largest & smallest components of the cost of Sugar is

Solution:

Since we have given that

12, 20, 35, 23 units.

Total units would be

12 + 20+ 35 + 23 = 90 Units

Difference between largest and smallest components is given by

35 - 12 = 23

So, the central angle for the difference would be

QUESTION: 14

What is a exclusive series?

Solution:

QUESTION: 15

The breadth of the rectangle is equal to the length of the class interval in

Solution:

QUESTION: 16

The frequency of class 20-30 in the following data

Solution:

QUESTION: 17

Frequency Density can be termed as:

Solution:

QUESTION: 18

The Graphical representation by which median is calculated is called

Solution:

QUESTION: 19

Arrange the following dimension wise : pie-diagram, bar-diagram and cubic diagram.

Solution:

QUESTION: 20

For the overlapping classes 0-10, 10-20, 20-30 etc. The class mark of the class 0-10 is

Solution:

QUESTION: 21

In Histogram, the classes are taken

Solution:

QUESTION: 22

The curve obtained by joining the points, whose x-coordinates are the upper limits of the class-intervals and y coordinates are corresponding cumulative frequencies is called

Solution:

QUESTION: 23

For non-overlapping classes 0-19, 20-39, 40-59 the class mark of the class 0-19 is

Solution:

QUESTION: 24

The Chronological classification of data are classified on the basis of:

Solution:

QUESTION: 25

An ogive can be prepared in ____________different ways.

Solution:

QUESTION: 26

Diagrammatic representation of the cumulative frequency distribution is

Solution:

QUESTION: 27

For overlapping class-intervals the class limit & class boundary are

Solution:

QUESTION: 28

Classification is of

Solution:

QUESTION: 29

Upper boundary of any class coincides with the lower boundary of the next class.

Solution:

QUESTION: 30

For obtaining frequency polygon we join the successive points whose abscissa represent the corresponding class frequency________

Solution:

QUESTION: 31

Excepting the first and the last, all other class boundaries lie midway between the upper limit of a class and the lower limit of the next higher class.

Solution:

QUESTION: 32

Difference between the maximum & minimum value of a given data is called

Solution:

QUESTION: 33

When one end of a class is not specified, the class is called

Solution:

QUESTION: 34

The lower extreme point of a class of called

Solution:

QUESTION: 35

When the width of all classes is same, frequency polygon has not the same area as the Histogram.

Solution:

QUESTION: 36

To find the mode graphically

Solution:

QUESTION: 37

When all classes have equal width, the heights of the rectangles in Histogram will be numerically equal to the

Solution:

QUESTION: 38

Histogram emphasizes the widths of rectangles between the class boundaries.

Solution:

QUESTION: 39

Which of the following can be determined by using the Ogive curve?

Solution:

Both median and quartiles can be determined from the Ogive curve.

QUESTION: 40

The difference between the upper boundary and the lower boundary of a class is called

Solution:

Class size is the difference between the upper boundary and the lower boundary of the class.

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