Performing a One-Way ANOVA Test In Exercises 5β14, (a) identify the claim and state H0 and Ha. (b) find the critical value and identify the rejection region, (c) find the test statistic F, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. Assume the samples are random and independent, the populations are
5. Toothpaste The table shows the costs per ounce (in dollars) for a sample of toothpastes exhibiting very good slain removal, good stain removal, and fair stain removal. At a = 0.05, can you conclude that at least one mean cost per ounce is different from the others? (Source: Consumer Reports)
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Elementary Statistics: Picturing the World (7th Edition)
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