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(a) Write a design of resolution Ill in seven factors and eight runs
(b) From {a) obtain a design in eight factors in 16 runs of resolution IV arranged in two blocks of 8.
(c) How could this design be used to eliminate time trends?
(d) What are the generators of the 16-run design?·
(e) If no blocking is used, how can this design be employed to study three principal factors, the main effects of eight minor factors not expected to interact with the major factors or with each other?
According to Chebyshev's Theorem, how many students scored between 57 and 93? Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 57 and 93?
to compare the effect of stress in the form of noise on the ability to perform a simple task 70 subjects were divided
The purchasing company can detect the defective wiring. What is the probability that the purchasing company will find the following?
The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5,000, find the probability that An individual graduate will have a salary over $45,000.
A student must choose one of the subjects, art, geology, or psychology, as an elective. She is equally likely to choose art or psychology and twice as likely to choose geology.
Write the hypothesis in words, being careful to specify the populations and the parameter of interest, by completing this sentence.
What is the difference between research questions and research objectives
Verify that P(x) is a probability distribution.- Find the cumulative distribution function.- Find the probability that at most four additional hours are slept.
Use the relative frequency approach to construct a probability distribution and show that it satisfies the required condition. Find the expected value of the number of tests taken.
A survey of 100 students at new england college showed the following:7 take english,history and language, 17 take english and history,15 take english and language,18 take history and language, how many students take history but neither of the othe..
Suppose a random sample of 25 swatches are selected. What is the probability that the mean of the sample is less than 235 pounds per square inch.
A random sample of 56 tourists gives x‾ = $258 and s = $85. Give a 95% confidence interval for the average amount spent by a tourist at the shopping area.
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