9. The human brain's delay in response to a sound has been found to be 5.68 milliseconds. A random sample of 10 participants is selected, and each subject is asked to go without sleep for 24 hours...

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Extracted text: 9. The human brain's delay in response to a sound has been found to be 5.68 milliseconds. A random sample of 10 participants is selected, and each subject is asked to go without sleep for 24 hours before a test for brain stem auditory response latency. The average latency is found to be 5.85 milliseconds, with s =0.14. Test the hypothesis that lack of sleep has no effect on average latency.


Extracted text: 6. A company has developed a training procedure to improve scores on the SAT. Following the training, 100 high school students take the SAT. The aver- age math score is 517, withs = 90. Assuming u the null hypothesis. Did the training significantly improve scores (a = .05, directional)? = 500 for the math SAT, test 7 Briofly define the following terms: