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# Qwizdom year 9 maths - averages & range

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An interactive Maths lesson designed for use with Qwizdom Interactive voting systems.

An interactive Maths lesson designed for use with Qwizdom Interactive voting systems.

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• 1. YEAR 9 MATHS: AVERAGES & RANGE AN INTERACTIVE QWIZDOM LESSON
• 2. Put all the numbers in order, and find the middle value.
• 3. Add all the numbers together, then divide by the frequency.
• 4. Find the largest value, then subtract the smallest value.
• 5. The most frequently occurring piece of data.
• 6. Find the median. 1, 1, 1, 2, 2, 3, 5, 9
• 7. 1, 1, 1, 2, 2, 3, 5, 9 Find the mode.
• 8. Find the range. 1, 1, 1, 2, 2, 3, 5, 9
• 9. 1, 1, 1, 2, 2, 3, 5, 9 Find the mean.
• 10. 0, 1, 3, 4, 5 Find the median
• 11. 5, 2, 3, 1, 1. Find the median
• 12. 0, 1, 1, 3, 7, 10 Find the median
• 13. What is the mean of the following?
• 3, 5, 4, 1, 2
• 14. What is the mean of the following?
• 4, 9, 8, 7
• 15. What is the mean of the following?
• 10, 6, 7, 7, 12, 6
• 16. What is the mean of the following?
• 3, 5, 8, 6