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1. What is the difference between a fixed effects model and a random effects model? Give some examples in the logistics area.
2. Explain the difference between the completely randomized design and the randomized block design. Discuss in the context of a gasoline refining process. Under what conditions would you prefer to use each design?
Probability values based on normal distribution - What can you say about the shape of the distribution of sample mean and find the standard error of the distribution of the sample mean?
how much less wrinkling? you found that the hylite process results in significantly greater wrinkle resistance thatn
A and B are two intersecting sets, and a, b, ab, and x represent the usual symbols for the number of elements contained in the four defined areas of the associated Venn Diagram. Find the values of ab and a if:
To model the relationship between y, a dependent variable, and x, an independent variable, a researcher has taken one measurement on y at each of three different x values. Drawing on his mathematical expertise, the researcher realizes that he can ..
Families in the USA have a monthly magazine that discusses issues related to health and health costs. After surveying 23 of their subscribers
Rock from quarry #9 is not suitable for rock needed in quarry #5. Minimize travel needed accomplish all the rock removals and replacements
Construct a frequency distribution (class, tally and frequency) for the data set using the indicated number of classes. In the table, include the midpoint, relative frequencies and cumulative frequencies.
a large manufacturing firm tests job applicants who recently graduated from college. the test scores are normally
(a) Construct a 95% con?dence interval for the average percentage of impurities in this brand of peanut butter. (b) Give an approximate 95% con?dence interval for the population variance. (c) Interpret your results and test for no..
If they would like to estimate the true average time to within 1.9 minute (with 95% confidence) what sample size should they use? (remember to round to the next largest integer.)
What is the probability that the person will be the last to leave the bank assuming no other customers arrive? Explain your answer fully.
A bowl with 10 marbles: 2 red marbles, 3 green marbles, and 5 blue marbles. We randomly select 4 marbles from the bowl, WITH REPLACEMENT, that is once a marble is selected, its color is noted and the marble is put back in the bowl (notice this doe..
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