Which one of the following variables is a discrete numerical variable?The length of bananas in a basket.The speed of racing cars on the track in a race.The score out of 100 for a test.The distance of drives that a professional golfer has hit in a practice.
Question
Which one of the following variables is a discrete numerical variable?The length of bananas in a basket.The speed of racing cars on the track in a race.The score out of 100 for a test.The distance of drives that a professional golfer has hit in a practice.
Solution
The discrete numerical variable among the options given is "The score out of 100 for a test".
Here's why:
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The length of bananas in a basket: This is a continuous numerical variable because the length of a banana can take on any value within a certain range, not just whole numbers.
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The speed of racing cars on the track in a race: This is also a continuous numerical variable. Speed can take on any value within a certain range, not just whole numbers.
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The score out of 100 for a test: This is a discrete numerical variable. Test scores are usually whole numbers and can only take on certain values (for example, you can't get a score of 89.5 on a test).
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The distance of drives that a professional golfer has hit in a practice: This is a continuous numerical variable because the distance a golf ball is hit can take on any value within a certain range, not just whole numbers.
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