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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mean of the following ungrouped data: 5, 10, 15?
💡 Hint: Add all numbers together and divide by how many numbers there are.
Question 2
Easy
Calculate the mean of these numbers: 20, 30, 40, 50.
💡 Hint: Sum all numbers and divide by the number of observations.
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 is the mean?
- The average
- The middle value
- The most frequent
- None of the above
💡 Hint: Think about it as a representative value of the numbers.
Question 2
True or False: The mode is always the same as the mean.
- True
- False
💡 Hint: Recall how each concept is defined.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A student collected the following test scores: 88, 94, 78, 85, 92. Calculate the mean.
💡 Hint: Make sure to sum all the scores before dividing.
Question 2
If the following grouped data represents age: 10-20(5), 21-30(10), and 31-40(15). Compute the mean age.
💡 Hint: Remember to multiply midpoints by their frequencies.
Challenge and get performance evaluation