1. Date: 3-Nov-15 Title: Averages More resources available from: free-online-calculator.netfree-online-calculator.net

2. Mean, Mode & Median What are they? Three ways of measuring averages More resources available from: free-online-calculator.netfree-online-calculator.net

3. Mean The mean is the measure of average we see the most. More resources available from: free-online-calculator.netfree-online-calculator.net

4. Mean Mean = Sum of values Number of values Is calculated by adding all of the data together, then dividing by the number of pieces of data. More resources available from: free-online-calculator.netfree-online-calculator.net

5. Mean The mean is the measure of average we see the most. Mean = Sum of values Number of values What is the mean of: 2,3, 5, 8, 12 More resources available from: free-online-calculator.netfree-online-calculator.net

6. Mean Sum of values 2+4+5+8+16 = 35 Number of values = 5 Mean = 35/5 = 7 More resources available from: free-online-calculator.netfree-online-calculator.net

7. Mean What is the mean of: 3,4, 4, 5, 5, 6, 6, 8, 9, 14 More resources available from: free-online-calculator.netfree-online-calculator.net

8. Mean What is the mean of: 2,4, 4, 5, 5, 6, 6, 8, 8, 14 Sum of values = 62 Number of values = 10 Mean = 64/10 = 6.2 More resources available from: free-online-calculator.netfree-online-calculator.net

9. Mode The mode is the value that occurs the most. Find the mode for the set of numbers: 2,4,4,6,8,8,8,9,11 More resources available from: free-online-calculator.netfree-online-calculator.net

10. Mode The mode is the value that occurs the most. Find the mode for the set of numbers: 2,4,4,6,8,8,8,9,11 Mode is 8 More resources available from: free-online-calculator.netfree-online-calculator.net

11. Mode The mode is the value that occurs the most. Find the mode for the set of numbers: 5,7,11,9,11,12,18,14 More resources available from: free-online-calculator.netfree-online-calculator.net

12. Mode The mode is the value that occurs the most. Find the mode for the set of numbers: 5,7,11,9,11,12,18,14 Mode is 11 More resources available from: free-online-calculator.netfree-online-calculator.net

13. Mode The mode is the value that occurs the most. Find the mode for the set of numbers: 4,7,9,9,10,13,14,14,18 More resources available from: free-online-calculator.netfree-online-calculator.net

14. Mode The mode is the value that occurs the most. Find the mode for the set of numbers: 4,7,9,9,10,13,14,14,18 Mode is 9 and 14 There can be more than one mode More resources available from: free-online-calculator.netfree-online-calculator.net

15. Median The median is the middle value. More resources available from: free-online-calculator.netfree-online-calculator.net

16. Median The median is the middle value. 1.Arrange values in ascending order 2.Cross off in pairs – highest & lowest. 3.If there are two middle values average them out More resources available from: free-online-calculator.netfree-online-calculator.net

17. Median The median is the middle value. 1.Arrange values in ascending order 2.Cross off in pairs – highest & lowest. 3.If there are two middle values average them out 5 6 8 10 12 15 19 20 25 8 15 7 3 10 15 18 9 7 7 8 10 12 13 15 16 18 18 20 More resources available from: free-online-calculator.netfree-online-calculator.net

18. Mode The following set of numbers are arranged in ascending order. What is the missing number if the mode is 13? 6, 9, 10, 12,, 13, 15, 16 More resources available from: free-online-calculator.netfree-online-calculator.net

19. Mode The following set of numbers are arranged in ascending order. What is the missing number if the mode is 13? 6, 9, 10, 12, 13, 13, 15, 16 More resources available from: free-online-calculator.netfree-online-calculator.net