Mathematics, 08.04.2020 02:14, nell1234565

Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of three for each of the treatments (car types). Using the hypothetical data provided below; test whether the mean pressure applied to the driver’s head during a crash test is equal for each types of car. Use α = 5%.Compact Cars Midsize cars Full-size cars 643 469 484 655 427 456 702 525 402

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Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars,...