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a researcher wants to test the effect of amount of sleep on memory. There are four groups; 2 hours of sleep, 4 hours of sleep,

a researcher wants to test the effect of amount of sleep on memory. There are four groups; 2 hours of sleep, 4 hours of sleep, 6 hours of sleep, and 8 hours of sleep, each group contains 5 people for a total sample sixe of 20. compare the Fvalue to the critical value given in the table . is the result of this statistically significant

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