A Running Coach Wanted to See Whether Runners Ran Faster

question 37

Multiple Choice

A running coach wanted to see whether runners ran faster after eating spaghetti the night before a race. Twenty-four random runners were chosen for this study.They ran a 5-kilometre race after having a
Normal dinner the night before, and then a week later, re-ran the same race after having a spaghetti dinner
The night before.Their results (in seconds) are in the table below.At , what is the test value for
This test?

• A)-3.41
• B)-1.00
• C)-0.26
• D)-4.90

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