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b] The table below shows the color and the model of cars purchased by 160 randomly selected customers at a car dealership in 2020. Use
b] The table below shows the color and the model of cars purchased by 160 randomly selected customers at a car dealership in 2020. Use a 5 percent level of signicance to test the null hypothesis that color chosen and car model are independent. 1. State the null and alternative hypotheses for this test. [2] ii. Calculate: a. the expected frequency.r for red vehicle and the Toyota model [i] b. the chis-square contribution. 12, for red vehicle and the Toyota model [i] i. Given that the chiasquaxe test statistic. 12. is 2.] 183. nd the p-value for test [2] ii. State the conclusion for the test. [2] iii. State 2 limitations of the chi-square test. 1". [2]
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