mean, mode, median, range ppt.notebook
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February 25, 2016
Mean, Mode, Median, and Range
Fold paper HOT DOG STYLE
Draw 3 EVEN Lines on one side of foldable and CUT those lines
Label each flap:
Mean Median Mode Range
Let's Make a FOLDABLE
mean, mode, median, range ppt.notebook
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February 25, 2016
Write EXAMPLES on LEFT part of foldable for each vocab word
Write NOTES on RIGHT part of foldable for each vocab word.
mean, mode, median, range ppt.notebook
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February 25, 2016
AKA average
1) Find the sum of the data then divide
by the # of data points.
2) Shares evenly among all pieces
3) Outlier has major impact on the mean.
NOTES
mean, mode, median, range ppt.notebook
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February 25, 2016
Example:
2, 4, 6, 8, 10
2 + 4 + 6 + 8 + 10 = 30
30/5 = 6
Mean = 6
mean, mode, median, range ppt.notebook
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February 25, 2016
AKA The middle
1) Middle value in the list arranged in least
to greatest
2) For an odd number of values the middle
number will be the median
3) For an even number of values you will need to find the mean of the two middle #'s
Notes
mean, mode, median, range ppt.notebook
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February 25, 2016
Examples:
2, 4, 6, 8, 10
Median is _____
2, 4, 6, 8, 10, 12
Median is _____
mean, mode, median, range ppt.notebook
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February 25, 2016
Notes
1) Most often occurring piece of data
2) Can have no mode, a single value mode, or multiple values.
3) Outlier has NO effect on the mode
mean, mode, median, range ppt.notebook
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February 25, 2016
Examples:
1) 2, 4, 6, 8, 10
NO MODE
2) 2, 2, 4, 6, 8, 10
Mode = 2
3) 2, 2, 4, 4, 6, 8, 10
Mode = 2 and 4
mean, mode, median, range ppt.notebook
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February 25, 2016
Notes
Range: Difference between lowest and highest numbers (You will subtract!!!)
Outlieran extreme value that can greatly affect the range
Scalelowest to highest (minimum to maximum)
mean, mode, median, range ppt.notebook
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February 25, 2016
Example:
2, 4, 6, 8, 10
Range = 10 2
Range of data = 8
mean, mode, median, range ppt.notebook
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February 25, 2016
Example #1
Find mean, mode, median, and range
23, 35, 23, 37, 28
Hint: Put all numbers in order from least to greatest FIRST!
mean
median
mode
range
mean, mode, median, range ppt.notebook
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February 25, 2016
Example #2: Find the mean, median, mode, and rangeHint: Put all numbers in order from least to greatest FIRST!
120, 140, 120, 140, 140, 204
mean, mode, median, range ppt.notebook
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February 25, 2016
Example #3 Find the mean, median, mode, and range. Hint: Put all numbers in order from least to greatest FIRST!
92 90 84 86 83