Practice Measures Of Dispersion (4) - Descriptive Statistics - IB 10 Mathematics

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11 questions

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

Question 1.
Calculate the range of the following data set: 2, 4, 6, 8, 10.
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Subtract the minimum value from the maximum.
Question 2.
What is the IQR of the data set: 3, 5, 7, 9, 11?
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Find Q1 and Q3 first.
3Question 3.
What does the range measure in a dataset?
- The average
- The spread
- The middle value
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Think about what it tells us about the high and low values.
4Question 4.
True or False: The Interquartile Range is influenced by outliers.
- True
- False
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Consider how IQR is calculated using quartiles.
Question 5.
You are given the following dataset representing weekly rainfall in inches: 0, 1, 1, 2, 3, 5, 8. Calculate the range, IQR, and standard deviation.
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Remember to find the mean for SD!
Question 6.
A group of friends scores in a video game are: 180, 200, 220, 250, 300. If one friend scores 500, analyze how that affects the range and standard deviation.
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Check how the presence of outliers can distort measures.

7 more questions in this section. Enroll free to practise them all.