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Unformatted text preview: Quiz 2 1. The owner of Get-A-Away Travel has recently surveyed a random sample of 279 customers of the agency. He would like to determine whether or not the mean age of the agency's customers is over 24. If so, he plans to alter the destination of their special cruises and tours. The appropriate hypotheses are 24 : H vs 24 : H a ≤ μ μ . If he concludes the mean age is over 24 when it is not, he makes a __________ error. If he concludes the mean age is not over 24 when it is, he makes a __________ error. A) Type II; Type II B) Type I; Type I C) Type I; Type II D) Type II; Type I 2. Suppose we wish to test 53 : H vs 53 : H a ≤ μ μ . What will result if we conclude that the mean is greater than 53 when its true value is really 55? A) We have made a Type I error B) We have made a correct decision C) We have made a Type II error D) None of the above are correct 3. A bottling company needs to produce bottles that will hold 10 ounces of liquid for a local brewery....
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- Fall '08
- Null hypothesis, Statistical hypothesis testing, Type I and type II errors, mean age, Get-A-Away Travel