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The average heart rate for Long Island, New York is 75 beats per minute. A group of 25 individuals participated in a cardiovascular training program

The average heart rate for Long Island, New York is 75 beats per minute. A group of 25 individuals participated in a cardiovascular training program to slow down their heart rate. After a year the individuals were assessed to see if their hearts had been slowed down by the program. The mean heart rate for the group was 70 beats per minute and the standard deviation was 6.5. Was the program effective in slowing down heart rate?

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