the weight, in pounds, of samples (n=6) of the contents of cans of regular and diet soda are listed below. Does there appear to be a signifacant difference between the two data sets? How might that difference be explained? Calculate the 90% confidence interval for mean weight for each type of can?
regular: 0.8912 0.8150 0.8163 0.8211 0.8247 0.8181
Diet: 0.7773 0.7758 0.7896 0.7868 0.7844 0.7861