Practice Mean (arithmetic Average) (6.3.1) - Unit 5: Data Handling & Analysis: Making Sense of Information
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Mean (Arithmetic Average)

Practice - Mean (Arithmetic Average)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the mean of the following scores: 10, 20, 30, 40, 50?

💡 Hint: Add all values and divide by how many scores there are.

Question 2 Easy

Calculate the mean of these daily temperatures: 20°C, 25°C, 30°C.

💡 Hint: Sum the temperatures and divide by the number of days.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for calculating the mean from raw data?

Sum of values / Total count
Total count / Sum of values
Sum of frequencies / Total values

💡 Hint: Remember the key steps in calculating the Mean.

Question 2

True or False: The mean can be negatively affected by extreme outliers.

True
False

💡 Hint: Consider how outliers impact averages.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You are given this dataset: 19, 22, 25, 25, 26, 28, 30. Calculate the mean and discuss how it may differ if the highest score was 50 instead of 30.

💡 Hint: Calculate normally then consider the impact of the outlier.

Challenge 2 Hard

Consider a classroom of students with these scores: 92, 85, 78, 75, 90, 100, 60. Calculate the mean and identify how the low score impacts the Mean.

💡 Hint: Assess how scores impact average.

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Reference links

Supplementary resources to enhance your learning experience.