Running Shoes Narrative an Avid Runner Was Interested in Whether There Is a There

Short Answer

Running Shoes Narrative
An avid runner was interested in whether there is a significant difference in the average wear (measured in weeks of use) among three brands of running shoes. To answer the question, the runner randomly selected six runners and assigned them to wear each of the three brands of running shoes until the shoes wore out. Each of the runners wore the brands of shoes in a random order.
After the data had been recorded, the following output was generated using statistical software:
Two-way Analysis of Variance
-Refer to Running Shoes Narrative. What are the blocks?