It is hypothesized that patient participation in cardiac rehab for outpatient education and exercise after experiencing a cardiac event will improve their cardiac health. The hypothesis and potential errors can be defined as follows:

Null Hypothesis: There is no significant difference in cardiac health between patients who participate in cardiac rehab and those who do not after experiencing a cardiac event.

Alternative Hypothesis: There is a significant difference in cardiac health between patients who participate in outpatient cardiac rehab and those who do not after experiencing a cardiac event.

Type I Error: A type I error could occur if the data suggest that participation in cardiac rehab has a significant positive effect on their cardiac health when in reality it does not.

Type II Error: A type II error could occur if the data suggest that there is no improvement in the patients cardiac health when in reality, it does.

One-Tailed Test: This is an example of a one-tailed test because the researchers are interested in determining whether there is an effect in a specific direction, in this case they are looking for an improvement in health outcomes.

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