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Question: Suppose that you want to know the opinions of American secondary school teachers about establishing a national test for high school graduation. You obtain a list of the members of the National Education Association (the largest teachers' union) and mail a questionnaire to 3000 teachers chosen at random from this list. In all, 823 teachers return the questionnaire. Identify the relevant population. Do you believe there is a good possibility of nonsampling error? Why or why not?
Mean and standard deviation are 584.6 and 34.28
Identify the fallacies of presumption, ambiguity, and illicit transference committed by the following arguments, giving a brief explanation for your answer. If no fallacy is committed, write "no fallacy."
The production of a chemical compound requires a curation period of 5.5 hours +/-.5 hours, a speed of 130 rpm +/- 20 rpm to obtain an acceptable product. If we want to know with a 95% confidence level, if these variables affect the production yiel..
What is the correlation between Age Difference and Year?- Interpret the slope of this line.- Predict the average age difference in 2015.
(a) How many ways are there to grab any 5 eggs out of the 12? (b) How many ways are there to grab exactly 1 broken egg and 4 whole eggs? (c) What is the probability of grabbing exactly 1 broken egg and 4 whole eggs?
If we assume all the possible random samples of 250 students at this university, 95 percent of the samples should have means among what two numbers.
Assume that a hand of 12 cards is dealt from a normal deck of 52 playing cards. What is the probability that of the 12 cards, 3 will be diamonds, 3 will be clubs, 3 will be spades, and 3 will be hearts.
A consumer magazine randomly selected 100 new hybrid car dealers from across the country, and created a list of retail prices. They want to know if the price differs from $25,000.
Solve the equation x^2 + 8x - 2 = 0 using both-Write one paragraph describing which method you prefer and why.
a. Develop a joint probability table for these data and use the table to answer the remaining questions.b. What do the marginal probabilities tell you about the age of the U.S. population?
a flag is to consist of 6 vertical stripes in yellow green blue orange brown and red. it is not necessary to use all of
A point estimate for the difference between the mean purchases of the users of the two credit cards is:
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