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 23 17 16 18 21 20 34 23 21 27 20 14 23 15 16 20 21 14 (a) Complete the F-table. (Round your answers to two decimal places.) Source of SS df MS Fobt Variation Between groups Between persons Within groups (error) Total (b) Compute a Bonferroni procedure and interpret the results. (Assume experiment-wise alpha equal to 0.05. Select all that apply.) There is a significant difference in decision making for the 12-hour and 24-hour sleep deprivation conditions. There are no significant differences between any of the groups. There is a significant difference in decision making for the 24-hour and 48-hour sleep deprivation conditions. There is a significant difference in decision making for the 12-hour and 48-hour sleep deprivation conditions.
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