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A college claims that the average loan debt for undergraduate students upon graduation is $30,000. You conduct a hypothesis test where you conclude the average loan amount exceeds $30,000. which hypothesis test decision error could you have made, and explain that possible error as it relates to this particular hypothesis test.
What is the probability a random sample of 75 students will provide a sample mean SAT score within 20 of the population mean?
An ANOVA for a 2 × 3 factorial design was conducted on the data. Identify the factors and their levels for this design.- The results of the ANOVA are summarized in the next table. Fully interpret the results.
a large wind turbine has blade span diameters of 110 m. it sits high off the ground where the average wind speed is 7
While taking a multiple choice test, I realize I cannot answer the 5 questions without guessing. There are 5 choices for each question, A B C D or E.
a student earns 14 per hour for tutoring and 7 per hour as a teachers aid. let x the number of hours each week spent
one of dotcoms products has a width dimensional specification of 1.488 plusmn .005 inches. the process is in
Construct an appropriate control chart and comment on the process assuming a type I error rate of 0.005. What would the control limits be for a type I error rate of 0.05? What factors would influence your selection of the type I error rate?
Use the result of problem 1 above to show that the average number of heads when a fair coin is flipped n times is equal to n/2.
An HMO is considering a marketing plan targeting patients with chronic diseases to increase the number getting a flu shot. Some preliminary analyses are conducted before implementing such a plan.
Test the hypothesis that the true Pearson correlation (p) is significantly different from zero. Provide a (p) value (two-tail) n=12. Correlation intake is .448 for the two recording methods.
Is there any evidence to suggest that the true proportion of Canadians who rate their tech savviness as B or better is greater in Edmonton than in Thunder Bay? Use a = 0.01.
As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. At = .05, what is the test value?
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