A manufacturer claims that the calling range (in feet) of its 900-MHz cordless telephone is greater than that of its leading competitor. A sample of 13 phones from the manufacturer had a mean range of 1070 feet with a standard deviation of 42 feet. A sample of 8 similar phones from its competitor had a mean range of 1010 feet with a standard deviation of 43 feet. Do the results support the manufacturer's claim? Let 4 be the true mean range of the manufacturer's cordless telephone and µz be the true mean range of the competitor's cordless telephone. Use a significance level of a = 0.1 for the test. Assume that the population variances are equal and that the two populations are normally distributed. Step 3 of 4: Determine the decision rule for rejecting the null hypothesis Ho. Round your answer to three decimal places.
A manufacturer claims that the calling range (in feet) of its 900-MHz cordless telephone is greater than that of its leading competitor. A sample of 13 phones from the manufacturer had a mean range of 1070 feet with a standard deviation of 42 feet. A sample of 8 similar phones from its competitor had a mean range of 1010 feet with a standard deviation of 43 feet. Do the results support the manufacturer's claim? Let 4 be the true mean range of the manufacturer's cordless telephone and µz be the true mean range of the competitor's cordless telephone. Use a significance level of a = 0.1 for the test. Assume that the population variances are equal and that the two populations are normally distributed. Step 3 of 4: Determine the decision rule for rejecting the null hypothesis Ho. Round your answer to three decimal places.
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Transcribed Image Text:A manufacturer claims that the calling range (in feet) of its 900-MHz cordless telephone is greater than that of its leading competitor. A sample of 13 phones from the
manufacturer had a mean range of 1070 feet with a standard deviation of 42 feet. A sample of 8 similar phones from its competitor had a mean range of 1010 feet
with a standard deviation of 43 feet. Do the results support the manufacturer's claim? Let u, be the true mean range of the manufacturer's cordless telephone and uz
be the true mean range of the competitor's cordless telephone. Use a significance level of a = 0.1 for the test. Assume that the population variances are equal and
that the two populations are normally distributed.
Step 3 of 4: Determine the decision rule for rejecting the null hypothesis Ho. Round your answer to three decimal places.
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