Data

Q.

The difference between the highest and the lowest values in the given set of data is called the 'range' of the data.

1. True

2. False

Q.

Which of the following is an example of primary data?

1. Data collected from a group of 40 students

2. Data collected from school records

3. Data collected from DISE

4. Data collected from world wide web

Q. The height of the students in a class is an example of .

1. data
2. sorting
3. information

Q.

A raw data arranged in ascending order is called an array.

1. True

2. False

Q.

For any statistical analysis, the first step is :

1. Analysis of data

2. Collection of data

3. Graphical representation of data

4. Drawing conclusions from the data

Q.

The data obtained as a result of observations in the original form is called raw data.

1. True

2. False

Q.

State true or false.
When the data is collected by an investigator himself/herself, such a data is called as primary data.

1. True

2. False

Q. The data which is arranged in groups or classes is called ___ .

Q. Which data set could be represented by the box plot shown below?

1. 94, 95, 97, 98, 101, 105, 106, 110
2. 94, 96, 102, 103, 106, 109, 111
3. 10, 97, 102, 104, 106
4. 97, 102, 103, 104, 105, 106, 110

Q.

Data and information are the same. Say true or false. ​

1. True

2. False

Q.

Which of the following is correct about data?

1. Data is collection of numbers.

2. Data can give us information.

3. Data is information.

4. None of these.

Q.

Secondary data is the data that have been already collected by and readily available from other sources. True or False?

1. True

2. False

Q.

Raw data is:

1. information in a proper organised form

2. information in an unorganised form

3. same as data

4. information which is useless

Q.

Choose the correct HTML tag for the largest heading:

Q.

The median will always be less than the mean.

1. True

2. False

Q.

Data arranged in an unorganised manner is called as

1. organised data

2. Meaningful data

3. Processed data

4. Raw data

Q. Marks scored by Rishi in monthly tests in mathematics subject is shown below.

In which month he has shown worst performance?

1. April
2. May
3. June
4. September

Q.

The following pictograph shows the number of vehicles parked in the basement of an apartment, each picture represents 5 vehicles.

The total number of vehicles parked in the basement is ___

1. 18 vehicles

2. 25 vehicles

3. 90 vehicles

4. 8 vehicles

Q.

In order to draw meaningful inferences from any data, we need to organize data _______ .

1. Collectively

2. Systematically

3. Sequentially

4. Randomly

Q. The figure below shows a graph of heights of cherry trees. Find the correct statement(s) among the options.

1. Total number of trees is 31
2. The most common range of height of trees is 70-75 feet
3. Least common range of height is 85-90 feet
4. Total number of trees is 32

Q.

A _______ is a collection of numbers gathered to give some information.

1. Data

2. Table

3. Graph

4. Chart

Q. Frequency of an observation gives number of occurrences of _____ observation(s).

1. that particular
2. all
3. no
4. most

Q. The dot plot that represents the number of times the different types of animals are seen in a forest on Monday.


Find how many times the zebras are seen?

1. 3
2. 4
3. 1
4. 5

Q.

By observing the given pictograph, we can say that the number of apples sold in the month of March is maximum. State whether true or false.

1. False

2. True

Q. The graph below shows the ages of presidents of a country at the time of inauguration or start of their tenure.

Find the correct option(s) among the following.

1. The total number of presidents is 45.
2. The youngest president was 44 years old
3. The youngest president was 39 years old.
4. The oldest president is 74 years old.

Q. For the arranged data set, the value of the median falls in the middle of the observations.

1. sometimes
2. always
3. never

Q. There are 9 cans on this shelf. How many cans would be on a full shelf? [2 MARKS]

Q.

Determine whether the following is a statistical question if data pertaining to internet searches is available.

How many internet searches do residents at Jacque’s retirement home perform each day

1. Since the data is not a variable and unvailable, the given question is a statistical question.
2. Since the data is variable and available, the given question is a statistical question.
3. Since the data is variable and unavailable, the given question is a statistical question.
4. Since the data is variable and available, the given question is not a statistical question.

Q. How many internet searches do residents at Jacque’s retirement home perform each day? - This questions is an example of _____.

1. probability
2. statistics
3. outcomes
4. an experiment

Q. Representation of data with the help of pictures is known as .

1. Bar graph
2. Pictograph
3. Line graph
4. Pie chart