Which of the following are NOT discrete data?Number of people who voted in an electionNumber of biscuits in a packet.Volume of liquid in a glass.IB grades received by a class of Mathematical Studies students
Question
Which of the following are NOT discrete data?Number of people who voted in an electionNumber of biscuits in a packet.Volume of liquid in a glass.IB grades received by a class of Mathematical Studies students
Solution
The volume of liquid in a glass is not discrete data.
Here's why:
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Discrete data can only take particular values. For example, the number of people who voted in an election can be 100, 101, 102, etc., but it cannot be 100.5. Similarly, the number of biscuits in a packet can be 10, 11, 12, etc., but it cannot be 10.5.
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IB grades received by a class of Mathematical Studies students are also discrete because they can only take certain values (1, 2, 3, 4, 5, 6, 7).
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However, the volume of liquid in a glass is not discrete. It can take any value within a certain range. For example, it could be 250.5 ml, 250.51 ml, 250.512 ml, etc. This is an example of continuous data, not discrete data.
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