Problem 1: Dataset #1 contains data pairs represent cost of living index for grocery items and health care for 45 different metropolitan areas. Reference: Statistical Abstract of the United States, 120th edition. a. Is this dataset at least approximately normally distributed? Justify answer using appropriate tests of normality. b. Regardless as to whether or not the dataset is normal, conduct an appropriate test to determine whether or not this data suggests that the cost of health care exceeds the cost of grocery items? Conduct your test by calculating a p-yalue and testing at a significance level of a = 0.05