Averages: Mean from a Frequency Table

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Presentation transcript:

Averages: Mean from a Frequency Table Silent Teacher Intelligent Practice Narration Your Turn Example For more videos visit mrbartonmaths.com/videos

Worked Example Your Turn Calculate the mean age: Calculate the mean age: @fortyninecubed

Calculate the mean age for each frequency table: 1. Age Frequency 9 2 10 11 5 12 1 3. Age Frequency 10 4 11 12 13 2 2. 4. Age Frequency 10 5 11 12 13 3 Age Frequency 10 2 11 12 5 13 1 @fortyninecubed

Calculate the mean age for each frequency table: 5. 7. Age Frequency 20 5 22 24 11 26 3 Age Frequency 20 5 22 11 24 26 6. 8. Age Frequency 20 5 22 11 24 26 3 Age Frequency 20 5 22 24 11 26 @fortyninecubed

Calculate the mean age for each frequency table: 1. Age Frequency 9 2 10 11 5 12 1 3. Age Frequency 10 4 11 12 13 2 2. 4. Age Frequency 10 5 11 12 13 3 Age Frequency 10 2 11 12 5 13 1 @fortyninecubed

Calculate the mean age for each frequency table: 5. 7. Age Frequency 20 5 22 24 11 26 3 Age Frequency 20 5 22 11 24 26 8. Age Frequency 20 5 22 24 11 26 6. Age Frequency 20 5 22 11 24 26 3 @fortyninecubed