5.2.1.2 - Calculation of arithmetic mean for Grouped data
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Practice Questions
Test your understanding with targeted questions
What is the arithmetic mean of the following numbers: 1, 3, 5?
💡 Hint: Add the numbers and divide by how many there are.
Define grouped data.
💡 Hint: Think about data summarized in tables.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating the arithmetic mean?
💡 Hint: Remember the basic concept of average.
True or False: The Arithmetic Mean is sensitive to extreme values.
💡 Hint: Consider how values affect an average.
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Challenge Problems
Push your limits with advanced challenges
A community has reported the following incomes: 200, 300, 250, 400, and 500. Use the Assumed Mean Method to calculate the mean.
💡 Hint: Remember to first assume a value and calculate deviations from it.
The following are the frequencies of students' scores in a class: 30, 25, 15, 10. Calculate a suitable mean using the Direct Method.
💡 Hint: Sum the products carefully!
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