unit 3 statistics common core standard: s.id.1 represent data with plots on the real number line...
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Unit 3 Statistics
Common Core Standard: S.ID.1 Represent data with plots on the real number line (dot plots, histograms,
and box plots)
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Students are shown a jar of candy and have to guess the amount of pieces they think are in the jar. The class then uses the guesses in order to complete the task of making stem and leaf plots, line plots, histograms, and box-plots.
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Measures of Variation/Box –and-Whisker Plots worksheet
13.5 Glencoe Algebra resources (create power pint to assist student's with “fill in the blanks” note sections)
-See attached power point
http://www.brainpop.com/math/probability/meanmedianmodeandrange/
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#4: Model with Mathematics#5: Use appropriate tools strategically#6 Attend to precision
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13.4/13.5Measures of Variation/ Box-and-Whisker Plots
Find the range of a set of data. Find the quartiles and interquartile range of a set of data.
Organize and use data in box-and-whisker plots. Organize and use data in parallel box-and-whisker plots.
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How many pieces of candy do you think there are in the jar???Review of box plots, stem and leaf plots, and
histograms.We will be making a box-and-whisker later!
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Notes:Range: biggest - smallest numberMeasures of Central Tendency
MeanMedianMode
Measure of Variation (measures the spread of the data)Range
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Box-and-Whisker Vocabulary:Quartiles: values that separate the data into
4 equal parts.• Q1 Lower Quartile• Q2 Median• Q3 Upper Quartile
Interquartile range (IQR): Q3 - Q1Extreme values: lowest and highest #’s
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What does a box-and-whisker plot look like?
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How do you make a box-and-whisker plot?1. Enter the data into your calculator.2. Get the following from “1 Var Stats”:
Min Q1 Median Q3 Max
3. Draw a scale on your paper.4. Put dots at the Min and Max Values.5. Put lines at Q1, Med, and Q3.6. Connect the lines and dots!
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Final Vocabulary:Outlier: a value that is much less or much greater than the rest of the data.How do you find any outliers?
Multiply your IQR by 1.5. Subtract this value from Q1 and add it to Q3. If any data points are outside of this, they are outliers.
Parallel Box-and-Whisker Plots: two box-and-whiskers on the same scale (label each)
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It’s Calculator Time!We can use our calculator to graph box-and-whisker
plots!
Directions:Enter your data into L1 (STAT, EDIT) data on next
slide!
Choose the box-and-whisker plot (2nd Y=, Plot 1)Show the graph (ZOOM 9)Check Q1, Q2, Q3 (TRACE, use arrows)
We can even graph box-and-whisker plots that show
the outliers!
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13.4/13.5Measures of Variation/ Box-and-Whisker Plots
Find the quartiles and interquartile range of a set of data. Organize and use data in box-and-whisker plots.
Organize and use data in parallel box-and-whisker plots.Review all of the graphs we have learned in this unit.
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Guided PracticeMake parallel box-and-whisker plot of class
data.Individual questions reviewing graphs
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1. 13 Original StatesState Area (thousand square miles)
Connecticut 6
Delaware 2
Georgia 59
Maryland 12
Massachusetts 11
New Hampshire 9
New Jersey 9
New York 54
North Carolina 54
Pennsylvania 46
Rhode Island 2
South Carolina 32
Virgina 43
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2. Baseball Teams Create a double box-and-whisker plot given
the number of wins in the 2004 and 2006 baseball seasons.
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Individual PracticeFor #1-4 use the “number of pieces of candy
in the jar” class dataFor #5-8 use the parallel box-and-whisker
plot to answer the questions.For #9-10 use the number of earthquakes to
create the box-and-whisker and find outliers.For #11-13 use the all-time record high
temperature for the 50 states.
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Extension:Tying Everything Together!
Fruit Loops Activity! (worksheet and fruit loops)
Review of all the graphs we have learned!
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