Use t-statistic to do Significance test: t = x - P-value: 0.049 Example: Does exercise help lose weight? What can be concluded from this study?

Use t-statistic to do Significance test: t = x - P-value: 0.049 Example: Does exercise help lose weight? What can be concluded from this study? We have statistically significant evidence to show that exercise helps lose weight. We might have stronger evidence that exercise helps if we had a bigger sample. Yes, we rejected Ho, but how much does the exercise really help?