Pre-Calculus

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wants to examine the safety...

Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of three different kind of cars. NTSB collects a random sample of three for each of the cars types. In this hypothetical data, assume the samples came from Normal distribution.To test the hypothesis that the mean head pressure applied to the driver’s head during a crash test is equal across the three types of cars, select the correct null and alternative hypothesis. To access the data in StatCrunch, click here. Use the level of significance of 0.05. The data is also presented in the table below.

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