Practice Measures of Dispersion - 4 | 1. Descriptive Statistics | IB Class 10 Mathematics – Group 5, Statistics & Probability
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the range of the following data set: 2, 4, 6, 8, 10.

💡 Hint: Subtract the minimum value from the maximum.

Question 2

Easy

What is the IQR of the data set: 3, 5, 7, 9, 11?

💡 Hint: Find Q1 and Q3 first.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the range measure in a dataset?

  • The average
  • The spread
  • The middle value

💡 Hint: Think about what it tells us about the high and low values.

Question 2

True or False: The Interquartile Range is influenced by outliers.

  • True
  • False

💡 Hint: Consider how IQR is calculated using quartiles.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

💡 Hint: Remember to find the mean for SD!

Question 2

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.

💡 Hint: Check how the presence of outliers can distort measures.

Challenge and get performance evaluation