Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators. a. Following is a
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Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators.
a. Following is a dotplot for these data. Is it reasonable to assume that the conditions for performing a hypothesis test are satisfied? Explain.
b. A consumer organization reports that the mean price of 7.5-cubic-foot refrigerators is greater than $300. Do the data provide convincing evidence of this claim? Use the α = 0.01 level of significance.
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