Assume you are working as a statistician for the automotive company Ford. Fords three most popular cars

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Assume you are working as a statistician for the automotive company Ford. Ford’s three most popular cars are the Escape (SUV), the Focus (midsize sedan), and the Fusion (hybrid sedan). Your boss is putting together next year’s production numbers and asks you to determine if any of the three models are selling better or worse than the other two. You have the sales numbers from one month of sales: the Escape sold 22,274, the Focus 21,385, and the Fusion sold 20,808. Perform the necessary test to determine if sales are significantly different and report the conclusion(s) of interest to your boss.

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The null hypothesis is that the proportion of sales for each of the cars is 13 whil...View the full answer

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