DIG Stats: Coliform Activity

In this activity, students will perform a t-test to see if fecal coliform counts collected from Blackwater Creek in Lynchburg, Virginia differ before and after rain showers. Questions about the exercise and links to Excel and TI-83 instructions are given. The data exist in Excel, TI-83, and text formats.
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http://www.cvgs.k12.va.us/DIGSTATS/credit.htm
Technical Requirements: 
Microsoft Excel or the TI-83 Graphing Calculators
Source Code Available: 
Source Code Available
Intended User Role: 
Learner, Teacher
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Yes
Cost: 
Free for All
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