Data and Information

Q. A ___ is a collection of numbers gathered to give some meaningful information.

Q.

The data collected from the source directly is called the primary data.

1. True
2. False

Q.

The number of times a data value occurs in a given set of data is called _____.

1. group
2. information
3. frequency
4. raw data

Q.

If the marks of 5 students out of 50 in a math exam are:

45, 32, 47, 21, 42 then the difference between maximum and minimum marks is:

1. 26

2. 28

3. 24

4. 25

Q.

I want to find the average age of the students in grade V. I will need to find the ____.

1. age of all the students

2. marks of all the students

3. name of all the students

4. height of all the students

Q. Fruits liked by people are shown in the pie chart given below. The proportion to the whole of the various fruits is shown in it. If the total number of people who liked these fruits are 720, then how many people liked mangoes?

1. 135
2. 75
3. 150
4. 270

Q.

What is the average number of eggs consumption in 3 days if :

Day 1 : 2 dozen

Day 2 : 1 score

Day 3 : half a score + 1 dozen

1. 20

2. 21

3. 22

4. 18

Q.

Question 14
A ___ is a collection of numbers gathered to give some meaningful information.

Q.

The given table shows data for a specific school in India. The State-wise number of students are given.

Calculate the average number of students taking all the regions into consideration.

1. 460

2. 448

3. 464

4. 452

Q.

Which 2 fruits had the same number of votes?

1. Strawberries, Oranges

2. Pears, Grapes

3. Bananas, Oranges

4. Apples, Strawberries

Q.

A survey was conducted with 160 chidren about their favourite film of all time. The following graph shows their findings.

How many children said that God Father is their favourite?

1. 58

2. 48

3. 68

4. 70

Q. Following pictograph represents some surnames of people listed in the telephone directory of a city Observe the pictograph and answer the following questions:


(a) How many people have surname ‘Roy’ ?

(b) Which surname appears the maximum number of times in the telephone directory

(c) Which surname appears the least number of times in the directory?

(d) Which two surnames appear an equal number of times?

Q.

In a pie chart, the size of each sector depends on the ___ it represents.

1. time
2. occasion
3. value
4. ratio

Q.

The following graph shows the distribution of TV viewership for Zen TV channels in year 2012-13. Find the percentage distribution for entertainment.

1. 30%

2. 40%

3. 50%

4. 60%

Q. How to draw pie chart

Q.

You ask $50$ randomly chosen employees of a company how many books they read each month. The diagram shows the results. There are 600 people employed by the company. Estimate the number of employees who read at least one book each month.

Q.

The pie chart shows the amount of time that Jaison spends each day on various activities.
What is the angle of the sector of the pie chart representing his eating time?

1. 20.8${}^{\circ }$

2. 28${}^{\circ }$

3. 28.8${}^{\circ }$

4. 45${}^{\circ }$

Q.

In textual presentation, data is described by:

1. Tables

2. Diagrams

3. Graphs

4. Paragraphs of text

Q.

A company has 5 sectors which are paid accordingly. Which of the sectors is the highest paid sector? If the company has to give bonus to its employees in a uniform way will the pie chart change?

1. Business; No

2. Logistics; No

3. Business; Yes

4. Logistics, Yes

Q.

After collection and organization of data, the next step is:

1. Presentation of data

2. Preparing data

3. Understanding data

4. Interpretation of data

Q.

Statement $1$: In $1685$, there were $0$ 'Dodo' birds, i.e. they had become extinct.

Statement $2$: Jack is in the past, as he can spot 'Dodo' birds.

Choose the correct option.

1. Both the statements represent data

2. Statement $1$ is data and statement $2$ is information

3. Both the statements represent information

4. Statement $1$ is information and statement $2$ is data

Q.

In a forest jack observed that, it had:

I) So many trees that you can’t spot the ground.
II) One river.
III) 200 - 400 “Dodo” birds.
IV) There were 0 monkeys..

All these things that he observed are:

1. Illusions

2. Data

3. Dreams

4. Fantasy

Q.

Look at the runs scored by six kids in a game which has been conducted in their school. Find the sum of the scores of the highest and the second lowest.

1. 110

2. 132

3. 168

4. 150

Q.

Representation of data in form of sectors of a circle is called __ chart.

Q. Constructed on XY - plane, a histogram is a graph of adjacent

1. Square
2. Circles
3. Rectangles
4. Triangles

Q. The following data gives the amount of manure (in thousand tonnes) manufactured by a company during some years:

Year	1992	1993	1994	1995	1996	1997
Manure (in thousand tonnes)	15	35	45	30	40	20

(i) Represent the above data with the help of a bar graph.
(ii) Indicate with the help of the bar graph the year in which the amount of manure manufactured by the company was maximum.
(iii) Choose the correct alternative:

The consecutive years during which there was maximum decrease in manure production are
(a) 1994 and 1995
(b) 1992 and 1993
(c) 1996 and 1997
(d) 1995 and 1996

Q.

The average of 5 ingredients is 54 kgs. If the total weight of 3 ingredients is 164 kgs, what should be the total weight of the other 2?

1. 106 kgs

2. 108 kgs

3. 116 kgs

4. 102 kgs

Q.

What is the average weight loss for four men who dropped 55, 36, 15 and 74 pounds each?

1. 68

2. 80

3. 18

4. 45

Q.

In a mathematics test, the following marks were obtained by $40$ students of class VI. Arrange these marks in a table using tally marks.

$$\begin{gathered} 9248766553 \\ 51064827638 \\ 84953910697 \\ 85671075577 \end{gathered}$$

How many students obtained marks below $5$?

Q.

The graph shows the distribution of TV viewership for TV channels in the year 2012-13. The % distribution for "Entertainment" is not given. What is it?

1. 30

2. 40

3. 50

4. 60