Are our kids getting taller? The average height of kindergartners in 1950 was 39.5 in. The data below represents the height (in inches) of twenty-six randomly selected kindergartners. At the 5% significance level, what conclusion can be reached?40.1, 39.9, 41.2, 41.3, 39.2, 39.3, 38.7, 38.8, 39.2, 40.3, 41.1, 40.7, 39.8,