Question

6. 2010 distribution of sales of cars in the United States

Type of car              Small	Midsize	Large              Luxury
%                         32.8      Last year (2016)	44.8	10.4                 12.0
Type of car                 Small	Midsize	Large               Luxury
Frequency               133	249	47                    71

At the 5% significance Level, do the data provides sufficient evidence to conclude that last year’s type of car distribution for U.S (2016) car sales differs from the 2010 distribution? Perform a Goodness of Fit test using the Chi-square distribution.

Answer 1