For each of the scenarios below, identify the claim that is being tested, then s
ID: 3128501 • Letter: F
Question
For each of the scenarios below, identify the claim that is being tested, then state the null hypothesis and the alternative hypothesis. Make sure to specify which group is 1, and which group is group 2. Assume underlying populations are normally distributed. A recreational products testing lab is testing the heating capacity of two different camp stoves to determine if there is any difference in the amount time required to bring two quarts of water to a boil from a starting temperature of 50 degree F. six stoves of each type were randomly selected for testing. The manufacturer of a headache remedy claims that its brand relieves headache symptoms more quickly than a competitor's brand does. An experiment was conducted in which the time it took each brand to enter the blood stream was measured. Twenty subjects were randomly assigned to each treatment.Explanation / Answer
a.
Claim: There is a difference in the amount of time to bring two quarts of water to a boil starting from a temperature of 50 degrees Fahrenheit.
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Null hypothesis: There is no significant difference in the amount of time to bring two quarts of water to a boil starting from a temperature of 50 degrees Fahrenheit.
Group 1: The sample of 6 stoves from the first camp stove brand
Group 2: The sample of 6 stoves from the second camp stove brand
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b.
Claim: The manufacturer's brand relieves headache symptoms more quickly than his competitor's brand.
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Null hypothesis: The manufacturer's brand does not relieve headache symptoms more quickly than his competitor's brand.
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Group 1: Those subjects assigned to the brand of the manufacturer
Group 2: Those subjects assigned to the brand of the competitor
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