Practice Measures Of Spread: How Data Varies (6.4) - Unit 5: Data Handling & Analysis: Making Sense of Information
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Measures of Spread: How Data Varies

Practice - Measures of Spread: How Data Varies

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define range in your own words.

💡 Hint: Consider what the highest and lowest values tell us.

Question 2 Easy

Calculate the range of the dataset: {10, 15, 20, 25}.

💡 Hint: Identify the maximum and minimum values first.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for calculating range?

Range = max - min
Range = min + max
Range = max * min

💡 Hint: Think about what the definitions of maximum and minimum are.

Question 2

The IQR is what?

True
False

💡 Hint: Ask yourself what IQR captures from the dataset.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A researcher collected data on time spent studying by students over one week: {2, 3, 4, 5, 50}. Calculate the range and IQR. What do you notice about the outlier?

💡 Hint: Identify the extreme value that changes the overall insights into studying habits.

Challenge 2 Hard

You have the following data set of prices in dollars: {5, 20, 30, 60, 100}. Find the range, IQR, and discuss the significance of the outlier price.

💡 Hint: Recognize how an outlier inflates the perception of the entire dataset.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.