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Before rule change After rule change Overtime coin toss winner won the game 252 24 Overtime...

Before rule change After rule change
Overtime coin toss winner won the game 252 24
Overtime coin toss winner lost the game 208 23

The following table lists results of overtime football games before and after the overtime rule was changed in the National Football League in 2011. Use a 0.05 significance level to test the claim of independence between winning an overtime game and whether playing under the old rule or the new rule.

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