Practice Example 2 (13.3.3) - Statistics

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Identify the mode from the following data: 5, 6, 6, 7, 8.
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Look for the number that appears most often.
Question 2.
What is the mean of the numbers 10, 20, 20, 30?
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Add all the numbers together and divide by the total count.
3Question 3.
What is the mode of the following numbers: 4, 4, 6, 8, 9?
- 4
- 6
- 9
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Look for the most repeated number.
4Question 4.
True or False: The mode is always greater than the mean.
- True
- False
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Think about different distributions.
Question 5.
A class of 50 students scored marks in the following ranges with their frequencies: [0-25: 5, 26-50: 15, 51-75: 20, 76-100: 10]. Calculate the mode and discuss its significance in this context.
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Identify the class with the highest frequency first.
Question 6.
If the mean score of 30 students was 70 and the mode was 65, explain how this reflects different aspects of their performance.
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Look into how both metrics inform on student performance.

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