Frequency Tables – Averages – Demonstration This resource provides animated demonstrations of the mathematical method. Check animations and delete slides not needed for your class.
1 2 3 4 John recorded the amount of goals his football team scored each match. 1 2 3 4 How can we easily find the Mean, Mode and Median from this data?
John recorded the amount of goals his football team scored each match. 1 2 3 4 How can we easily find the Mean, Mode and Median from this data? 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4 Is there a faster, better way?
John recorded the amount of goals his football team scored each match. 1 2 3 4 How can we easily find the Mean, Mode and Median from this data? Frequency Total games Goals Tally Total goals 33 25 = Mean = 1.3 goals 8 1 7 7 2 5 10 Mode = 0 goals 3 4 12 13th match 4 1 4 Median = 1 goal Totals: 25 33
Sarah recorded the amount of hits she got over 25 baseball games. 3 2 4 1 How can we easily find the Mean, Mode and Median from this data? Frequency Total games Hits Tally Total hits 52 25 = Mean = 2.1 hits 4 1 5 5 2 6 12 Mode = 2 hits 3 5 15 13th game 4 5 20 Median = 2 hits Totals: 25 52
Find the mean, mode and median for these sets of data. Mark recorded the sweets he ate every day. Anna recorded the passengers in cars on her local road. 1 3 4 2 4 3 2 1 5 Total days Sweets Tally Total sweets Totals: Mean = 2.0 Mode = 3 Median = 2 Mean = 1.9 Mode = 0 & 3 Median = 2
Answers Find the mean, mode and median for these sets of data. Mark recorded the sweets he ate every day. Anna recorded the passengers in cars on her local road. 1 3 4 2 4 3 2 1 5 Total days Sweets Tally Total sweets Total cars 5 Passengers Tally Total pass. 1 4 4 7 2 5 10 1 6 6 3 7 21 2 5 10 4 4 16 3 7 21 Totals: 25 51 4 4 16 5 1 5 58 Mean = 2.0 Mode = 3 Median = 2 Totals: 30 Answers Mean = 1.9 Mode = 0 & 3 Median = 2
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