A somewhat outdated study indicates that the mean number of hours worked per week by software developers is 44. We have good reason to suspect that the mean number of hours worked per week by software developers, μ, is now different from 44 and wish to do a statistical test. We select a random sample of software developers and find that the mean of the sample is 39 hours and that the standard deviation is 3 hours. Based on this information, complete the parts below. Suppose the true mean number of hours worked by software engineers is 44 hours. Fill in the blanks to describe a Type I error. 1. A type I error would be (rejecting) or (failing to reject) the hypothesis 2. That μ is (less than) (less than or = to) (greater than) (greater than or = to) (not = to) or (= to) 3. The number (39), (44), or (3) 4. When, in fact, μ is (= to 3) (= to 39) (= to 44) (not = to 44) (less than 3) (less than 39)
A somewhat outdated study indicates that the
Suppose the true mean number of hours worked by software engineers is 44 hours. Fill in the blanks to describe a Type I error.
1. A type I error would be (rejecting) or (failing to reject) the hypothesis
2. That μ is (less than) (less than or = to) (greater than) (greater than or = to) (not = to) or (= to)
3. The number (39), (44), or (3)
4. When, in fact, μ is (= to 3) (= to 39) (= to 44) (not = to 44) (less than 3) (less than 39)
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