Draw an operating characteristic curve for the design in Problem 4-2. Does the test seem to be
Question:
Draw an operating characteristic curve for the design in Problem 4-2. Does the test seem to be sensitive to small differences in the treatment effects?
Problem 4-2
Three different washing solutions are being compared to study their effectiveness in retarding bacteria growth in 5-gallon milk containers. The analysis is done in a laboratory, and only three trials can be run on any day. Because days could represent a potential source of variability, the experimenter decides to use a randomized block design. Observations are taken for four days, and the data are shown here. Analyze the data from this experiment (use α = 0.05) and draw conclusions.
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To create the operating characteristic OC curve we need to calculate the probability of correctly rejecting the null hypothesis for different values o...View the full answer
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