Mean, Median, Mode  & Range By Mr. Clutter VMS Library 2007-2008
Vocabulary Review Sum  – the answer to an addition problem. Addend  – the numbers you added together to get the sum. 6  +  9  =  15
Definition Mean Means Average
Definition Mean   – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3
Mean is found by evening out the numbers 2, 5, 2, 1, 5
Mean is found by evening out the numbers 2, 5, 2, 1, 5
Mean is found by evening out the numbers 2, 5, 2, 1, 5 mean = 3
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
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?
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
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
What is the mean of these numbers? 7, 10, 16  11
What is the mean of these numbers? 2, 9, 14, 27 13
What is the mean of these numbers? 1, 2, 7, 11, 19 8
What is the mean of these numbers? 26, 33, 41, 52 38
Definition Me d ian is in the Mi dd le
Definition Median   – the middle number in a set of ordered numbers. 1, 3, 7, 10, 13 Median = 7
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
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
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.
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
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
What is the median of these numbers? 16, 10, 7  10 7, 10, 16
What is the median of these numbers? 29, 8, 4, 11, 19  11 4, 8, 11, 19, 29
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
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
Definition Mode is the most Popular
Definition A la mode   – the most popular or that which is in fashion. Baseball caps are a la mode today .
Definition Mode   – the number that appears most frequently in a set of numbers. 1, 1, 3, 7, 10, 13 Mode = 1
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
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
Which number is the mode? 29, 8, 4, 8, 19  8 4, 8, 8, 19, 29
Which number is the mode? 1, 2, 2, 9, 9, 4, 9, 10  9 1, 2, 2, 4, 9, 9, 9, 10
Which number is the mode? 22, 21, 27, 31, 21, 32  21 21, 21, 22, 27, 31, 32
Definition Range is the distance Between
Definition Range   – the difference between the greatest and the least value in a set of numbers. 1, 1, 3, 7, 10, 13 Range = 12
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
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
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
What is the range? 29, 8, 4, 8, 19  29 – 4   =  25 4, 8, 8, 19, 29
What is the range? 22, 21, 27, 31, 21, 32  32 – 21 =  11 21, 21, 22, 27, 31, 32
What is the range? 31, 8, 3, 11, 19  31 – 3 =  28 3, 8, 11, 19, 31
What is the range? 23, 7, 9, 41, 19  41 – 7 =  34 7, 9, 23, 19, 41
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Mean, Mode, Median[1]

  • 1.
    Mean, Median, Mode & Range By Mr. Clutter VMS Library 2007-2008
  • 2.
    Vocabulary Review Sum – the answer to an addition problem. Addend – the numbers you added together to get the sum. 6 + 9 = 15
  • 3.
  • 4.
    Definition Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3
  • 5.
    Mean is foundby evening out the numbers 2, 5, 2, 1, 5
  • 6.
    Mean is foundby evening out the numbers 2, 5, 2, 1, 5
  • 7.
    Mean is foundby evening out the numbers 2, 5, 2, 1, 5 mean = 3
  • 8.
    How to Findthe 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 Findthe 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 Findthe 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 Findthe Mean of a Group of Numbers The mean or average of these numbers is 16. 8, 10, 12, 18, 22, 26
  • 12.
    What is themean of these numbers? 7, 10, 16 11
  • 13.
    What is themean of these numbers? 2, 9, 14, 27 13
  • 14.
    What is themean of these numbers? 1, 2, 7, 11, 19 8
  • 15.
    What is themean of these numbers? 26, 33, 41, 52 38
  • 16.
    Definition Me dian 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 Findthe 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 Findthe 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 Findthe 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 Findthe 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 Findthe 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 themedian of these numbers? 16, 10, 7 10 7, 10, 16
  • 24.
    What is themedian of these numbers? 29, 8, 4, 11, 19 11 4, 8, 11, 19, 29
  • 25.
    What is themedian of these numbers? 31, 7, 2, 12, 14, 19 13 2, 7, 12, 14, 19, 31 12 + 14 = 26 2 ) 26
  • 26.
    What is themedian of these numbers? 53, 5, 81, 67, 25, 78 60 53 + 67 = 120 2 ) 120 5, 25, 53, 67, 78, 81
  • 27.
    Definition Mode isthe most Popular
  • 28.
    Definition A lamode – 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 Findthe 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 Findthe 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 isthe mode? 29, 8, 4, 8, 19 8 4, 8, 8, 19, 29
  • 33.
    Which number isthe mode? 1, 2, 2, 9, 9, 4, 9, 10 9 1, 2, 2, 4, 9, 9, 9, 10
  • 34.
    Which number isthe mode? 22, 21, 27, 31, 21, 32 21 21, 21, 22, 27, 31, 32
  • 35.
    Definition Range isthe 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 Findthe 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 Findthe 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 Findthe 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 therange? 29, 8, 4, 8, 19 29 – 4 = 25 4, 8, 8, 19, 29
  • 41.
    What is therange? 22, 21, 27, 31, 21, 32 32 – 21 = 11 21, 21, 22, 27, 31, 32
  • 42.
    What is therange? 31, 8, 3, 11, 19 31 – 3 = 28 3, 8, 11, 19, 31
  • 43.
    What is therange? 23, 7, 9, 41, 19 41 – 7 = 34 7, 9, 23, 19, 41
  • 44.
    This powerpoint waskindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.