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C. Write ‘T’ for true and ‘F’ for false.
1. Charts plot data on coordinate axes, where the X-axis represents categories.

2. A pictogram is a visual representation of data using pictures or symbols to convey information.

3. Bar chart displays data using vertical bars for comparison.

4. Image data is information shown through letters, words and punctuation marks.

5. Rows are vertical lines that show information for one item.

D. Answer in one word.

1. The type of data represented by the temperature of a room.
2. Data stored in formats such as MP4, AVI, MKV, MOV and WMV.

3. Name any one common method of data collection.
4. The part of a chart that shows the values or measurements of the data.

5. A type of chart that divides data into slices to show parts of a whole.

E. Answer the following questions:

1. Name the five main types of data.

2. What is data representation?

3. What do you understand by organising data?

4. Describe any two types of charts.

5. Differentiate between discrete data and continuous data.

21 st
think & apply Century #Critical Thinking
Skills #Information Literacy
1. In a study on the popularity of different music genres, how would you represent the data to compare
the preferences of the students?
2. Niti is gathering pictures of different food dishes for a restaurant menu. What type of data does this represent?
3. A system suggests movies, songs or products based on your past behaviour, such as searches or
preferences. What type of system is being used here?

Basic Data Concepts 49