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Penalty shooting competition

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Each person had 10 tries at shooting a penalty. These are their scores...

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PlayerNumber of goals Player 15 Player 25 Player 32 Player 48 Player 59 Player 65 Player 76 Player 86 Player 98

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Now lets put them in order from the smallest number of goals to the largest

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PlayerNumber of goals Player 32 Player 65 Player 15 Player 25 Player 86 Player 76 Player 48 Player 108 Player 59

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Number of goals 255569886

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255569886 Which was the most common number of goals scored? 5 This is called the MODE

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Number of goals 255569886 When they are all lined up in order, which score is in the middle? 6 This is called the MEDIAN

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The mean If we took all those goals and shared them out equally between the players, how many would each player have scored? 2+5+5+5+6+6+8+8+9= 54 Divide this by the number of players: 54 ÷ 9 = 6 This is called the MEAN

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To find the mean, add up all the numbers, then divide by the number of numbers. Try this one... The mean

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Find the mean of 10, 12, 8 10 + 12 + 8 = 30 ÷ 3 = 30 10 The mean of 10, 12 and 8 is 3 What is the median of those three numbers? 10

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Find the mean of these sets of numbers 1. 3,5,5,7 2. 10,2,3,9,6 3. 7,7,6,4 4. 20,30,40,10 5. 3,2,2,4,3,5,2 5 6 6 25 3

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Find the median of these sets of numbers 1. 3,5,7,7,8 2. 10,2,3,9,4 3. 7,7,6,4,7 4. 20,30,60,40,10 5. 3,2,2,4,3,5,2 7 4 7 30 3

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Central Tendency Mean – the average value of a data set. Add all the items in a data set then divide by the number of items in the data set.

Central Tendency Mean – the average value of a data set. Add all the items in a data set then divide by the number of items in the data set.

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