Suppose you want to buy a car and are trying to decide between two models. A...

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Suppose you want to buy a car and are trying to decide between two models. A friend suggests that perhaps the annual maintenance costs are different for the two models, so you obtain random samples of the annual maintenance costs for 50 of each model of car. Assuming the population variances are unequal, a two-mean hypothesis test would have how many degrees of freedom? Provide your answer below: df= Suppose you want to buy a car and are trying to decide between two models. A friend suggests that perhaps the annual maintenance costs are different for the two models, so you obtain random samples of the annual maintenance costs for 50 of each model of car. Assuming the population variances are unequal, a two-mean hypothesis test would have how many degrees of freedom? Provide your answer below: df=

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