As large cities grow larger, traffic congestion also increases. To measure how commuting time differs between California, New York, and Texas, random samples of commuters in each state were drawn. Is...

As large cities grow larger, traffic congestion also increases. To measure how commuting time differs between California, New York, and Texas, random samples of commuters in each state were drawn. Is there sufficient evidence to infer that differences in commuting time exists between the three states?