Mean Median Mode
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This document defines and provides instructions for calculating mean, median, mode, and range for a set of numbers. It defines each term, explains the steps to calculate each, and provides examples of calculating mean, median, mode, and range for practice number sets.
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Mean Median Mode
- 1. Mean, Median, Mode & Range By Monica Yuskaitis
- 2. Vocabulary Review Sum – the answer to an addition problem. Addend – the numbers you added together to get the sum. 6 + 9 = 15
- 3. Definition Mean Means Average
- 4. Definition Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3
- 5. Mean is found by evening out the numbers 2, 5, 2, 1, 5
- 6. Mean is found by evening out the numbers 2, 5, 2, 1, 5
- 7. Mean is found by evening out the numbers 2, 5, 2, 1, 5 mean = 3
- 8. How to Find the Mean of a Group of Numbers Step 1 – Add all the numbers. 8, 10, 12, 18, 22, 26 8+10+12+18+22+26 = 96
- 9. How to Find the Mean of a Group of Numbers Step 2 – Divide the sum by the number of addends. 8, 10, 12, 18, 22, 26 8+10+12+18+22+26 = 96 How many addends are there?
- 10. How to Find the Mean of a Group of Numbers Step 2 – Divide the sum by the number of addends. 6 ) 96 sum # of addends 1 6 3 6 6 6 3
- 11. How to Find the Mean of a Group of Numbers The mean or average of these numbers is 16. 8, 10, 12, 18, 22, 26
- 12. What is the mean of these numbers? 7, 10, 16 11
- 13. What is the mean of these numbers? 2, 9, 14, 27 13
- 14. What is the mean of these numbers? 1, 2, 7, 11, 19 8
- 15. What is the mean of these numbers? 26, 33, 41, 52 38
- 16. Definition Me d ian is in the Mi dd le
- 17. Definition Median – the middle number in a set of ordered numbers. 1, 3, 7, 10, 13 Median = 7
- 18. How to Find the Median in a Group of Numbers Step 1 – Arrange the numbers in order from least to greatest. 21, 18, 24, 19, 27 18, 19, 21, 24, 27
- 19. How to Find the Median in a Group of Numbers Step 2 – Find the middle number. 21, 18, 24, 19, 27 18, 19, 21, 24, 27
- 20. How to Find the Median in a Group of Numbers Step 2 – Find the middle number. 18, 19, 21, 24, 27 This is your median number.
- 21. How to Find the Median in a Group of Numbers Step 3 – If there are two middle numbers, find the mean of these two numbers. 18, 19, 21, 25, 27, 28
- 22. How to Find the Median in a Group of Numbers Step 3 – If there are two middle numbers, find the mean of these two numbers. 21+ 25 = 46 2 ) 46 23 median
- 23. What is the median of these numbers? 16, 10, 7 10 7, 10, 16
- 24. What is the median of these numbers? 29, 8, 4, 11, 19 11 4, 8, 11, 19, 29
- 25. What is the median of these numbers? 31, 7, 2, 12, 14, 19 13 2, 7, 12, 14, 19, 31 12 + 14 = 26 2 ) 26
- 26. What is the median of these numbers? 53, 5, 81, 67, 25, 78 60 53 + 67 = 120 2 ) 120 5, 25, 53, 67, 78, 81
- 27. Definition Mode is the most Popular
- 28. Definition A la mode – the most popular or that which is in fashion. Baseball caps are a la mode today .
- 29. Definition Mode – the number that appears most frequently in a set of numbers. 1, 1, 3, 7, 10, 13 Mode = 1
- 30. How to Find the Mode in a Group of Numbers Step 1 – Arrange the numbers in order from least to greatest. 21, 18, 24, 19, 18 18, 18, 19, 21, 24
- 31. How to Find the Mode in a Group of Numbers Step 2 – Find the number that is repeated the most. 21, 18, 24, 19, 18 18, 18, 19, 21, 24
- 32. Which number is the mode? 29, 8, 4, 8, 19 8 4, 8, 8, 19, 29
- 33. Which number is the mode? 1, 2, 2, 9, 9, 4, 9, 10 9 1, 2, 2, 4, 9, 9, 9, 10
- 34. Which number is the mode? 22, 21, 27, 31, 21, 32 21 21, 21, 22, 27, 31, 32
- 35. Definition Range is the distance Between
- 36. Definition Range – the difference between the greatest and the least value in a set of numbers. 1, 1, 3, 7, 10, 13 Range = 12
- 37. How to Find the Range in a Group of Numbers Step 1 – Arrange the numbers in order from least to greatest. 21, 18, 24, 19, 27 18, 19, 21, 24, 27
- 38. How to Find the Range in a Group of Numbers Step 2 – Find the lowest and highest numbers. 21, 18, 24, 19, 27 18, 19, 21, 24, 27
- 39. How to Find the Range in a Group of Numbers Step 3 – Find the difference between these 2 numbers. 18, 19, 21, 24, 27 27 – 18 = 9 The range is 9
- 40. What is the range? 29, 8, 4, 8, 19 29 – 4 = 25 4, 8, 8, 19, 29
- 41. What is the range? 22, 21, 27, 31, 21, 32 32 – 21 = 11 21, 21, 22, 27, 31, 32
- 42. What is the range? 31, 8, 3, 11, 19 31 – 3 = 28 3, 8, 11, 19, 31
- 43. What is the range? 23, 7, 9, 41, 19 41 – 7 = 34 7, 9, 23, 19, 41
- 44. Credits Clipart from ClickArt 125,000, T/Maker Company of Broderbund Software, Inc.
- 45. Credits Clipart from ClickArt 125,000, T/Maker Company of Broderbund Software, Inc.