“There are lies, there are damned lies, and there are “

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Presentation transcript:

“There are lies, there are damned lies, and there are “

What are “statistics?” it up! Let’s brainstorm…

What are some ways to display statistics?

What are some ways to display statistics?

What are some ways to display statistics? 1. Pie Charts

What are some ways to display statistics? 1. Pie Charts

Anyone catch the math goof? #sillyExcel What are some ways to display statistics? Anyone catch the math goof? #sillyExcel 1. Pie Charts

What are some ways to display statistics? 1. Pie Charts

What are some ways to display statistics? 1. Pie Charts

What are some ways to display statistics? 1. Pie Charts

When making pie charts: What are some ways to display statistics? 1. Pie Charts When making pie charts: DON’T! Use 3 – D Pie Charts! Use those “Breakout” slices! DO! Make sure your categories are meaningful! Make sure your categories are mutually exclusive! Make sure your graph speaks for itself (clear fonts and sizes, crisp colors, good title and legend)

2. Bar Graphs (AKA, “Bar Charts”) What are some ways to display statistics? 2. Bar Graphs (AKA, “Bar Charts”)

https://www.pollen.com/forecast/extended/pollen/97701

2. Bar Graphs (AKA, “Bar Charts”) What are some ways to display statistics? 2. Bar Graphs (AKA, “Bar Charts”) Source: http://www.indexmundi.com/g/r.aspx?v=91

2. Bar Graphs (AKA, “Bar Charts”) What are some ways to display statistics? 2. Bar Graphs (AKA, “Bar Charts”)

2. Bar Graphs (AKA, “Bar Charts”) What are some ways to display statistics? 2. Bar Graphs (AKA, “Bar Charts”)

2. Bar Graphs (AKA, “Bar Charts”) When making bar graphs: What are some ways to display statistics? 2. Bar Graphs (AKA, “Bar Charts”) When making bar graphs: DO! Make sure your categories are meaningful! Make sure your categories are mutually exclusive! Make sure your graph speaks for itself (clear fonts and sizes, crisp colors, good title, axes labeled if necessary)! (meh) Make the bars touch! DON’T! LET YOUR Y – AXIS START AT SOMETHING OTHER THAN ZERO!!! (why? Let’s take a look!)

Anything wrong with this graph?

Always start this axis at zero!!!

3. Line Graphs (often Time - Series) What are some ways to display statistics? 3. Line Graphs (often Time - Series) https://www.cocc.edu/departments/institutional-effectiveness/enrollment-reports/historical-enrollment.aspx

3. Line Graphs (often Time - Series) What are some ways to display statistics? 3. Line Graphs (often Time - Series) https://www.cocc.edu/departments/institutional-effectiveness/enrollment-reports/historical-enrollment.aspx

3. Line Graphs (often Time - Series) What are some ways to display statistics? 3. Line Graphs (often Time - Series)

3. Line Graphs (often Time - Series) What are some ways to display statistics? 3. Line Graphs (often Time - Series)

3. Line Graphs (often Time - Series) What are some ways to display statistics? 3. Line Graphs (often Time - Series)

3. Line Graphs (often Time - Series) When making line graphs: What are some ways to display statistics? 3. Line Graphs (often Time - Series) When making line graphs: DO! Make sure your categories are meaningful! Make sure your categories are mutually exclusive! Make sure your graph speaks for itself (clear fonts and sizes, crisp colors, good title, axes labeled if necessary)! Be careful with multiple vertical- axes! DON’T! LET YOUR Y – AXIS START AT SOMETHING OTHER THAN ZERO!!! (why?) Ignore the Margin Of ERROR!!! Huh?

Please find this report online!!!

Any issues with the data? If you’re interested: http://stateofobesity.org/adult-obesity/

Let’s check the rest of those MOE’s…

Now let’s USE those MOEs…

Let’s do an in – class quiz! Margins of Error (MOEs) must be added (and subtracted) to/from any sample statistic to help alleviate sampling error. Let’s do an in – class quiz!