In a research study, a statistician wants to evaluate whether the average height of adult males in a certain city differs from the national average height of 70 inches. The statistician sets up the hypotheses for the test.
The null hypothesis ( extit{H0}) represents the status quo, stating that there is no difference, while the alternative hypothesis ( extit{H1}) indicates a difference. Based on this context, which of the following correctly states the null and alternative hypotheses for this study?