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Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
Mean, Median, Mode, And Range
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Mean, Median, Mode, And Range

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Show's how to find mean, median, mode and range.

Show's how to find mean, median, mode and range.

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Transcript

  • 1. Mean... Median... Mode... Range... What do they mean??
  • 2. Mean...
      • The average of a set of numbers
  • 3. How to  find the mean...
      • Add all the numbers in the set together
      • Divide the sum by the number of numbers in the set
      • The quotient is the mean of the set of numbers
      • Example: 20, 15, 25
        • Add 20 + 15 + 25 = 60
        • Divide 60 by 3
        • The mean is 20
  • 4. Median...
      • Is the number that is in the middle of a set of numbers (Note: The numbers must be in numerical order)
      • If two numbers make up the middle of a set of numbers then the median is the average of these two numbers
  • 5. Find the median...
      • Example 1
        • 10, 15 , 20
        • The median of the set of numbers is 15
    •  
      • Example 2
        • 10, 15 , 20 , 25
        • Add 15 + 20 = 35
        • Divide 35 by 2 = 17.5
        • The median of the set of numbers is 17.5
  • 6. Mode...
      • The number in a set of numbers that occurs the most often. (Note: Putting the numbers in order will help to identify the mode)
  • 7. Identify the mode...
      • Example:
        • 10, 15, 10, 15, 20, 25, 15, 30
        • 10, 10, 15 , 15 , 15 , 20, 25, 30
    •  
      • 15 is the mode of this set of numbers because it is the number that occurs the most.
  • 8. Range...
      • The difference between the highest and lowest numbers in a set of numbers (Note: Putting the numbers in numerical order will help)
  • 9. Find the range...
      • Subtract the lowest number from the highest number in a set of numbers
      • Example:
        • 10 , 15, 20, 25, 30. 35, 40, 45, 50
        • 50 - 15 = 40
        • 40 is the range of this set of numbers
  • 10. It's Time to Practice...  
      • 10, 5, 25, 50, 15, 10, 40, 35, 10, 20
      • 5, 10, 10, 10, 15, 20, 25, 35, 40, 50
      • What is the mean?
      • What is the median?
      • What is the mode?
      • What is the range?
    • Answers:
        • Mean: 10
        • Median: 17.5
        • Mode: 10
        • Range: 45

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