Presentation of Data Test

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Presentation of Data Test - 36

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Weekly Quiz Competition

Question 1
1 / -0

The first step in the execution of the inquiry is __________.

A
processing and analyzing of data.

B
supervision of field works.

C
training of field investigators.

D
setting up of administrative team.

Solution

For enquiry to be made, it is required to set up a team who would do the investigation process, i.e., who would conduct a survey.
Question 2
1 / -0

________is arranging or organising similar things into groups or classes.

A
Organising

B
Classification

C
Presentation

D
None of the above

Solution

Classification is a process related to categorisation in which ideas and objects are recognised, differentiated and understood. It is also a process of identifying a set of categories to which a new observation belongs on the basis of characteristics of a set of data. Hence, classification is arranging or organising similar things into groups or classes.
Question 3
1 / -0

The purpose of classifying raw data is to ____________.

A
bring order in them

B
subject them to further statistical analysis easily

C
both A and B

D
none of the above
Question 4
1 / -0

When comparing income and expenditure or import and export for different years, marks obtained in etc. _______ bar diagrams are used.

A
multiple

B
simple

C
component

D
all of the above
Question 5
1 / -0

The line graph shows the number of cars and motorcycles sold at Beena's electronic store from September to December.How many more cars than motorcycle did the store sell in October?

A
$$120$$

B
$$100$$

C
$$75$$

D
$$85$$

Solution

Number of cars sold by the store in October = 150
Number of motorcycles sold by the store in October = 75
Hence, the store sold 150 - 75 = 75 more cars than motorcycles in October.
Question 6
1 / -0

The line graph shows the number of storybooks Armaan read in the last $$4$$ months of a year.
The number of storybooks that he read in October as a fraction of the total number of storybooks read is

A
$$\dfrac {1}{12}$$

B
$$\dfrac {3}{4}$$

C
$$\dfrac {1}{2}$$

D
$$\dfrac {5}{12}$$

Solution

Total number of storybooks read $$= 4 + 2 + 10 + 8 = 24$$
Number of storybooks read in October $$= 2$$
Therefore, required fraction is $$\dfrac {2}{24}$$ $$=$$ $$\dfrac {1}{12}$$
Question 7
1 / -0

F-distribution is __________.

A
calculated in such a way that the larger variance is always in the numerator

B
equal to the degrees of freedom and variance of distribution

C
the ratio of sample variances of two normal distributions

D
both (A) and (C)

Solution

F-Distribution is used for the analysis of variance. It is the ratio of sample variances of two normal distributions and its calculated in such a way that the larger variance is always in the numerator.
Question 8
1 / -0

In case of frequency distribution with classes of unequal widths, the heights of bar of a histogram are proportional to _____________.

A
frequency

B
class intervals

C
frequency densities

D
frequencies in percentage
Question 9
1 / -0

When labels or names used to identify attributes of elements, it is know as ____________.

A
Quantitative data

B
Qualitative data

C
Simple data

D
None of the above
Question 10
1 / -0

Classification of data is compulsory as _____________.

A
It tells the features of data at a glance

B
It helps in meaningful comparison of data

C
Arranges the huge data

D
All of the above

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Presentation of Data Test - 36

Result

Presentation of Data Test - 36

Score

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Rank

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SHARING IS CARING

Question 1

processing and analyzing of data.

supervision of field works.

training of field investigators.

setting up of administrative team.

Solution

Question 2

Organising

Classification

Presentation

None of the above

Solution

Question 3

bring order in them

subject them to further statistical analysis easily

both A and B

none of the above

Question 4

multiple

simple

component

all of the above

Question 5

$$120$$

$$100$$

$$75$$

$$85$$

Solution

Question 6

$$\dfrac {1}{12}$$

$$\dfrac {3}{4}$$

$$\dfrac {1}{2}$$

$$\dfrac {5}{12}$$

Solution

Question 7

calculated in such a way that the larger variance is always in the numerator

equal to the degrees of freedom and variance of distribution

the ratio of sample variances of two normal distributions

both (A) and (C)

Solution

Question 8

frequency

class intervals

frequency densities

frequencies in percentage

Question 9

Quantitative data

Qualitative data

Simple data

None of the above

Question 10

It tells the features of data at a glance

It helps in meaningful comparison of data

Arranges the huge data

All of the above

User

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