18\" 13 points PriviteraStats2 13·E·025. My Notes Ask Your Teacher + Air traffic

Question

18" 13 points PriviteraStats2 13·E·025. My Notes Ask Your Teacher + Air traffic controllers perform the vital function of regulating the traffic of passenger planes. Frequently, air traffic controllers work long hours with little sleep Researchers wanted to test their ability to make basic decisions as they become increasingly sleep deprived. To test their abilities, a sample of 6 air traffic controllers is selected and given a decision-making skills test following 12-hour, 24-hour, and 48-hour sleep deprivation. Higher scores indicate better decision- making skills. The table lists the hypothetical results of this study Sleep Deprivation 12 Hours 24 Hours 48 Hours 18 21 23 18 34 26 23 21 16 21 21 15 21 13 16 15 (a) Complete the F-table. (Round your answers to two decimal places.) Source of Variation Betweern groups Between persons Within groups (error) Total df MS Fobt

Explanation / Answer

here applying two way ANOVA on above data:

SUMMARY Count Sum Average Variance 1st 3 57 19 13 2nd 3 60 20 3 3rd 3 78 26 48 4th 3 60 20 43 5th 3 54 18 19 6th 3 57 19 12 12 hours 6 145 24.16667 30.16667 24 hours 6 118 19.66667 7.066667 48 hours 6 103 17.16667 12.56667 ANOVA Source of Variation SS df MS F between groups 151.00 2 75.50 6.04 between persons 124.00 5 24.80 1.984 within group(error) 125.00 10 12.50 Total 400.00 17

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