hotdog

16.59

(a) It looks like poultry hotdogs have a slightly higher sodium content, followed by meat hotdogs; beef hotdogs have the lowest sodium content.

16-34

(b) The beef hotdogs have right-skewed distribution with maybe two potential high outliers with large sodium contents. The meat hotdogs category is roughly normal but has one extreme low outlier, with less than half the sodium of all other hotdogs. The poultry hotdogs have a bimodal distribution with two main groups, one with low sodium amounts and one with high sodium amounts. (c) H₀: Sodium contents have the same distribution for all types of hotdogs. H_a: Sodium contents are systematically higher for some types of hotdogs than in others. , . The data do not show systematic differences among sodium content for different types of hotdogs.