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Three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds (in miles per hour) of the tested cars are given below. Please note the sample sizes are not equal.
At α = .05, test to see if there is a significant difference in the average racing speeds of the cars of the three auto manufacturers. Use both the critical and p-value approaches.
Experimental Method
A research method involving the manipulation of variables to test a hypothesis and ascertain cause-and-effect relationships.
Scented Candles
Candles infused with fragrances or essential oils used to create a desired ambiance or therapeutic effect.
Heart Rate
The number of heartbeats per minute, which can vary depending on factors like age, fitness level, activity, and the presence of medical conditions.
Animal Rights Issues
Ethical and legal controversies and debates surrounding the rights and treatment of non-human animals, especially regarding their use in experiments, as food, and as pets.
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