Question: The table shows the weights (in pounds) for a sample of vacuum cleaners. The weights are classified according to vacuum cleaner type. At =

The table shows the weights (in pounds) for a sample of vacuum cleaners. The weights are classified according to vacuum cleaner type. At α = 0.01, can you conclude that at least one mean vacuum cleaner weight is different from the others?

Bagged upright 21 22 23 21 17 19 Bagless upright6 18 19

(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,

(e) Interpret the decision in the context of the original claim. Assume the samples are random and independent, the populations are normally distributed, and the population variances are equal. If convenient, use technology.

Bagged upright 21 22 23 21 17 19 Bagless upright6 18 19 18 2 20 26 24 23 25 27 21 Top caniter 26 24 23 5 27 21

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