The table below gives the number of cars out of a random

Question

Question: The table below gives the number of cars, out of a random sample of 100 rental cars, belonging to each of the listed firms in 2005 and in 2007. Is there evidence of a change in the market shares of the car rental firms?

                Hertz         Avis           National          Budget          Other          Total

2005           39            26                18                 14                3              100

2007           29            25                16                 19               11             100