St. Peter

St. Peter
Our Patron Saint!

Monday, January 30, 2012

Possible Research Topic for our Data Management Project

Use this link to view sales stats from each month in 2010 and 2011.  Your comparison could be between Xbox hardware sales and Wii hardware sales.

http://vgsales.wikia.com/wiki/NPD_sales_figures

You will need to click on each month and write the sales amount in a table.  Then plot the data on a scatterplot graph.

Tuesday, January 24, 2012

January 24, 2012 - Analyze the Data - Is there a relationship between temperature and ice cream sales?

Ice Cream Sales vs Temperature
Temperature °CIce Cream Sales
14.2°$215
16.4°$325
11.9° $185
15.2° $332
18.5° $406
22.1° $522
19.4° $412
25.1° $614
23.4° $544
18.1°$421
22.6°$445
17.2°$408


And here is the same data as a Scatter Plot:

 

Line of Best Fit

You can also draw a "Line of Best Fit" (also called a "Trend Line") on your scatter plot:
Try to have the line as close as possible to all points, and as many points above the line as below.

Thursday, January 12, 2012

Random Math Thoughts

Use this section to document any interesting math thoughts that you might have!