The accompanying data on food intake (in Kcal) for 15 men on the day following two nights of only 4 hours of sleep each night and for 15 men on the day following two nights of 8 hours of sleep each night is consistent with summary quantities in the paper €œShort- Term Sleep Loss Decreases Physical Activity under Free-Living Conditions But Does Not Increase Food Intake under Time Deprived Laboratory Conditions in Healthy Men€ (American Journal of Clinical Nutrition [2009]: 1476€“1482). The men participating in this experiment were randomly assigned to one of the two sleep conditions.

If appropriate, carry out a two-sample t test with = - .05 to determine if there is a significant difference in mean food intake for the two different sleep conditions.

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4-hour sleep group 3585 4470 3068 5338 2221 4791 4435 3099 3187 3901 3868 3869 4878 3632 4518 8-hour sleep group4965 3918 1987 4993 5220 3653 3510 3338 4100 5792 4547 3319 3336 4304 4057