What is the P-value for the following scenario? A researcher claims that a post-lunch nap improves (decreases) 20-meter sprint times after a night with only 4 hours of sleep.  The table below shows data for an experiment conducted to test this claim.  Is there enough evidence to support the researcher's claim at the 1% level of significance? Runner 1 2 3 4 5 6 7 Time (before) 4.07 3.94 3.92 3.97 3.92 3.96 4.07 Time (after) 3.93 3.87 3.85 3.92 3.90 3.85 3.92

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