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Suppose an experiment utilizing a random block design has 3 treatments and 8 blocks for a total of 24 observations. Assume that the total Sum of Squares for the response is SS(Total) = 400. If the Sum of Squares for Treatments (SST) is 10% of SS(Total), and the Sum of Squares for Blocks (SSB) is 20% of SS (Total), find the F values for this experiment.
Find the optimal order quantity and what is the optimal total ordering cost per year vs. what is that cost with the current policy?
A random sample of 56 fluorescent light bubs has a mean life of 645 hours with a standard deviation of 31 hours.
Otherwise, no ordering will take place. Find the steady-state probabilities of the state of this Markov chain?
Does the regression equation account for a significant portion of the variance in GPA? Use ∝ = .05 to evaluate the F - ratio.
The winning team's scores in 7 high school basketball games were recorded. If the sample mean is 10.3 points and the sample standard deviation is 0.10 points,
Results are comparable to what could be expected in human serum. Are true binding percentages for five antibiotics tested all equal? Let α = 0.05.
What is the null hypothesis? What is your decision if a = 0.01?
What are differences between dependent and independent samples? Provide examples. What are the implications for determining the tests used to analyze data?
Do the data demonstrate that the true mean photometer reading for the color density is significantly different from 12 at 3 percent level of significance?
Describe the use of normal probability plot to evaluate whether a set of data is normally distributed?
The t-statistics that was obtained in the study of 400 subjects was t=20, rejecting the null hypothesis and showing that the drug has a beneficial effect. Why was management upset?
Chi-square test for independence of attributes - Describe why a x 2 test of the resulting contingency table is appropriate for such an investigation.
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