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# Qwizdom averages

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

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### Qwizdom averages

1. 1. AVERAGES: AN INTERACTIVE QWIZDOM LESSON
2. 2. True or False <ul><li>The mean of a group of data is the middle number when they have been ordered smallest to largest. </li></ul>
3. 3. True or False <ul><li>The mode is the entry that occurs most often in a group of data. </li></ul>
4. 4. True or False <ul><li>The median is when you add up all of the pieces of data and divide by how many there are. </li></ul>
5. 5. What is the mode of the following? 5, 3, 8, 4, 3, 8, 9, 3, 7 <ul><li>5 </li></ul><ul><li>3 </li></ul><ul><li>8 </li></ul><ul><li>4 </li></ul>
6. 6. What is the mode of the following? 3, 10, 1, 5, 11, 2, 10, 7, 4 <ul><li>1 </li></ul><ul><li>2 </li></ul><ul><li>7 </li></ul><ul><li>10 </li></ul>
7. 7. What is the mean of the following? 4, 6, 10, 4 <ul><li>4 </li></ul><ul><li>5 </li></ul><ul><li>6 </li></ul><ul><li>10 </li></ul>
8. 8. What is the mean of the following? 9, 2, 4, 5, 20 <ul><li>5 </li></ul><ul><li>6 </li></ul><ul><li>7 </li></ul><ul><li>8 </li></ul>
9. 9. What is the median of the following? 2, 4, 5, 9, 20 <ul><li>2 </li></ul><ul><li>4 </li></ul><ul><li>5 </li></ul><ul><li>9 </li></ul>
10. 10. What is the median of the following? 2, 4, 6, 8 <ul><li>5 </li></ul><ul><li>4 </li></ul><ul><li>6 </li></ul><ul><li>8 </li></ul>
11. 11. What is the median of the following? 4, 10, 10, 4, 3 <ul><li>3 </li></ul><ul><li>4 </li></ul><ul><li>10 </li></ul><ul><li>None of the above </li></ul>
12. 12. What is the median of the following? 6, 3, 10, 12, 0 <ul><li>0 </li></ul><ul><li>10 </li></ul><ul><li>3 </li></ul><ul><li>None of the above </li></ul>
13. 13. What is the median of the following? 5, 8, 2, 5, 1, 3 <ul><li>2 </li></ul><ul><li>4 </li></ul><ul><li>6 </li></ul><ul><li>5 </li></ul>