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“There are three types of lies. Lies, damn lies, and Statistics”

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Presentation on theme: "“There are three types of lies. Lies, damn lies, and Statistics”"— Presentation transcript:

1 “There are three types of lies. Lies, damn lies, and Statistics”
Graphing “There are three types of lies. Lies, damn lies, and Statistics” -Benjamin Disraeli

2 Skittles!!! Do all skittles bags have an even number of colors?
Are there more red skittles than any other color, etc.

3 Data Tables are a neat and organized way to collect data
Graphs allow you to easily show the data in a way that people can draw conclusions easily. Statistics are mathematical tests that can tell us useful things about data Example: the mean, median, mode Standard Deviation: the mean of the mean

4 Skittle Colors Trial RED PURPLE YELLOW GREEN ORANGE Other

5 How to calculate Mean: add up all the numbers from a column and divide by how many numbers there are Median: Line up all the numbers in order and then pick the one in the center Mode: The most repeated number Standard deviation: the mean of the mean

6 Our Activity Step 1: Divide your candy by color and create a Table
Step 2: Build a graph to compare the amount of each candy (GRAPH 1) Step 3: Talk to your neighbor table; Create a comparative graph using their data and yours (GRAPH 2) Step 4: As a Whole class; Create a graph to compare all the colors in the WHOLE bag (GRAPH 3)

7 Our Activity Continued:
Step 5: Calculate the Mean, Median and Mode for you data; based on your LAST graph (the Circle one) Step 6: Write a Conclusion paragraph describing your findings


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