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A study was conducted to explore the effects of ethanol on sleep time. Fifteen rats were...

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Statistics

A study was conducted to explore the effects of ethanol on sleeptime. Fifteen rats were randomized to one of three treatments.Treatment 1 got only water (control). Treatment 2 got 1g of ethanolper kg of body weight, and treatment 3 got 2g ethanol per kg ofbody weight. The amount of REM sleep in a 24hr period was recorded,in minutes. Data are below: Treatment 1: 63, 54, 69, 50, 72

Treatment 2: 45, 60, 40, 56

Treatment 3: 31, 40, 45, 25, 23, 28

(f) Calculate 90% confidence intervals for all pairwisecomparisons of treatment means using the uncorrected method. Createa letter code table to summarize your results, then interpret theresults in context.

(g) Now calculate 90% confidence intervals for all pairwisecomparisons using the Bonferroni correction. Create a letter codetable, and interpret your results in context. Do any of the resultsdiffer from part (f)?

Answer & Explanation Solved by verified expert
4.0 Ratings (672 Votes)
from the given dataTreatment 1X1Treatment 2X2Treatment 3X3X1X1x1 X12x2 x2x2 x22X3x3X3    See Answer
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