9. One of your clients has difficulty sleeping and has been referred to a sleep center. He has been given a brochure that describes the characteristics of those who receive services at the sleep...

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9. One of your clients has difficulty sleeping and has been referred to a sleep center. He has been given a brochure that describes the characteristics of those who receive services at the sleep center. According to the center, people who seek services average 5.8 ± 1.8 (M ± SD) hours of sleep each night. Your client sleeps on average 4.5 hours a night. If there are 2,000 people receiving services in the sleep center, how many of approximately how many of the 2,000 would sleep fewer hours per night than your client? ________ 10. In the above instance (question #9), the client sleeps 4.5 hours of sleep per night? Approximately what percentage of people sleep 4.5 hours or higher? (two decimal places)___________ Approximately what percentage of people sleep between 4.5 hours and 6.0 hours? (two decimal places) ___________ 15. In a sample of 83 respondents, the mean number of hours worked per week is 39.04, with a standard deviation of 11.51. (Please use two decimal places) The standard error of the mean is ____________  b. The 95% confidence interval for these data is ____________  to ____________  (highest value) c. The 90% confidence interval for these data is ____________  (lowest value) to ____________  (highest value) 16. Examine the confidence intervals for items 15 b and 15c. Compare the 95% confidence interval to the 99% confidence interval What can you say about the precision of ranges? 19. A researcher estimates the 95% CI for a sample with a mean of M = 3.26 and a standard error (sM) of 0.91. What is the upper confidence limit for this interval?
Answered Same DayJun 24, 2021

Answer To: 9. One of your clients has difficulty sleeping and has been referred to a sleep center. He has been...

Aarti answered on Jun 24 2021
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