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1. a. What are the main objectives of Experimental Design?
b. List the steps for designing an experiment
c. What is Randomization? List the situation in which randomization is very important.
d. Define Replication. What does it enables the experimenter to achieve
One way ANOVA
2. Data have been collected to test whether the thickness of a poly silicon coating depends upon the deposition temperature. Test whether there is any difference in the thickness at different temperature levels at α = 0.05 (See Table 1).
Table 1Temperature Polysilicon Thickness
1
110
112
109
115
2
105
99
100
103
3
120
117
4
102
108
3. A chemical engineer has reason to believe that the batches of raw materials used in the manufacture of a compound differ significantly in Nitrogen content. Currently the company uses many batches: for this study, the engineer randomly selected five of these batches and recorded 3 observations on each batch. The data is in Table 2. Conduct ANOVA at α = 0.01 and test whether there is any difference
Table - Batches
Determine the bounds on the p-value that would be used in testing each of the following null hypotheses using the p-value approach.
essay questionsquestion 1 you are designing a grocery delivery business. via the internet your company will offer
A few days ago you answered a question I had on probability. The original equation was R(t)=a^(-bt). In your answer you changed it to R(t) = a* e^(-bt). Can you explain why you added the e?
question 1nbspnbsp a large shipping company recorded the number of tons shipped weekly across the pacific for 50
What is the probability
Formulate the null and alternative hypotheses needed to attempt to provide evidence. Use critical values and a p-value to perform the hypothesis test by setting a equal to .10, .05, .01, and .001.
Question 1: ABC Corporation has used regression analysis to perform price elasticity analysis. In doing so management regressed the quantity demanded (y variable) against price (x variable) with the following results:Multiple R .86798 Adjusted R squa..
Frequency distribution from part a: Find the mean, variance and stand excldeviation and using the frequency distribution from parta: What is the probability of a randomly selected herb to have a height of at least 17 inches?
The Better Business Bureau settles 75% of complaints it receives involving new car dealers. Suppose a sample of 160 complaints involving new car dealers is selected. Find the probability that Better Business Bureau settles less than 124 of these com..
Students in the RCOB are given an "exit exam" close to graduation that measures the amount ofknowledge they were supposed to have gained while here. Suppose these students are administered thetest upon admission to college and then take it again clos..
Will all three approaches always result in the same conclusion? Explain.
determine whether the filler's initial setup should be readjusted. In each case, use (1) a critical value, (2) a p-value, and (3) a confidence interval. Assume that s equals .1.
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