13.5 - Summary
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Calculate the mean from the following data: 2, 4, 4, 4, 5, 5, 7, 9.
💡 Hint: Add all numbers together and divide by how many there are.
What is the mode from this dataset: 1, 2, 2, 3, 4?
💡 Hint: Look for the number that appears the most.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating the median in grouped data?
💡 Hint: Think of how we use cumulative frequency and class size.
Is the following statement true? The mode is always equal to the mean.
💡 Hint: Consider the definitions of mean and mode.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Given a frequency table for age distribution in a community, calculate the estimated mean age using the Assumed Mean Method.
💡 Hint: Ensure you define the assumed mean before applying it in calculations.
Analyze the mode for a scenario where multiple values exist at the highest frequency. Discuss how to communicate this finding effectively.
💡 Hint: Think of how datasets can sometimes repeat values.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.