OpenStax, Statistics §11.3 Test of Independence · Exercise 3 · Statistics · Chi-square tests
Test of Independence · Exercise 3
Determine the appropriate test to be used in the next three exercises.
A marathon runner is interested in the relationship between the brand of shoes runners wear and their run times. She takes a random sample of 50 runners and records their run times and the brand of shoes they were wearing.
OpenStax, Statistics · §11.3 Test of Independence · Exercise 3
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