Stat

Problem4: (4 points) In a research to measure the satisfaction of car owners on different car's brands. A random sample of 300 car owners of four midsize cars brands are selected. and asked if they are satisfied about their automobile. The results are as follows: Cars Satisfied Chevrolet Ford Honda Toyota Total Malibu Mondeo Accord Camry Yes 60 AG 199 49 No 101 37 27 18 19 Tota 65 300 86 78 (the data stored in the excel sheet: Problem4) Test to determine if the car owner's satisfaction is independent of the car brands. a = 0.05 a) Write the hypothesis Ho, HI b) Check the assumptions c) Find test statistic and p-value d) Test the claim using the p-value, at a = 0.01 e) Write the decision