Question: It is believed that regular physical exercise leads to a lower resting pulse rate. Following are data for n 5 20 individuals on resting pulse

It is believed that regular physical exercise leads to a lower resting pulse rate. Following are data for n 5 20 individuals on resting pulse rate and whether the individual regularly exercises or not. Assuming that this is a random sample from a larger population, use this sample to determine if the mean pulse is lower for those who exercise.

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