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It takes an average of 8 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will decline
It takes an average of 8 minutes for blood to begin clotting after an injury. An EMT wants to see if the average will decline if the patient is immediately told the truth about the injury. The EMT randomly selected 42 injured patients to immediately tell the truth about the injury and noticed that they averaged 7 minutes for their blood to begin clotting after their injury. Their standard deviation was 3.1 minutes. What can be concluded at the the = 0.01 level of significance?
- The test statistic t = (please show your answer to 3 decimal places.)
- The p-value = (Please show your answer to 4 decimal places.)
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