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. head during a crash test is not equal for each types of car. Use a = 5%. Compact Cars Midsize Cars Full – size Cars 643 469 484 655 427 456 702 525 402 451 532 623 678 562 711 509 571 488

MATLAB: An Introduction with Applications
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What is the null hypothesis and alternative hypothesis for the given problem?

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 drivers
head during a crash test is not 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
451
532
623
678
562
711
509
571
488
Transcribed Image Text: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 drivers head during a crash test is not equal for each types of car. Use α- 5%. Compact Cars Midsize Cars Full – size Cars 643 469 484 655 427 456 702 525 402 451 532 623 678 562 711 509 571 488
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