a medical researcher is interested in comparing the the effectiveness of 4 sleep aids to text the number of hours it took to fall asleep 1 1 0 5
a medical researcher is interested in comparing the the effectiveness of sleep aids to text the number of hours it
a medical researcher is interested in comparing the the effectiveness of sleep aids to text
in comparing the the effectiveness of sleep aids to text the number of hours it took to fall asleep
a medical researcher is interested in comparing the the effectiveness of sleep
aids to text the number of hours it took to fall asleep
a medical researcher is interested in comparing the the effectiveness
a medical researcher is interested
a medical researcher is interested in comparing the the effectiveness of 4 sleep aids to text the number of hours it took to fall asleep 1- 1, 0.5,...

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a medical researcher is interested in comparing the the effectiveness of 4 sleep aids to text the number of hours it took to fall asleep 1- 1, 0.5, 2, 1.5 2- 1, 1, 2.5, 2 3 - 1, 0.5 2, 0.5 4- 0.5,1.5, 1, 1.5 assume normal populations and equal variances at 1% significance level, test hypothesis that there is no difference in how long it takes to fall asleep. make and test hypothesis. (critical value approach) I don't know where to start with this. Do I get the mean 1st? What formulas should I be using

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a medical researcher is interested in comparing the the effectiveness of 4 sleep aids to text the number of hours it took to fall asleep 1- 1, 0.5,...