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Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.
We can use two products at my work, which are mutual funds and see if there is a correlation between the two. The two different funds are: a domestic stock mutual fund, which only invests in large organizations (large cap companies) based here in..
Test at 5% and 1% whether the molder is operating satisfactorily.
a) Do a test to see if workers attitudes on this matter have changed using a 90% alpha. b) Explain to management what your findings are and what this suggests about future decisions vs work options.
Determine the probability of selecting sample with a mean of more than $100,000 but less than $112,000.
If an original set of measurements is made in inches and has mean of 36 and variance of 144, what will be the mean, variance, and standard deviation if:
How many subsets of S contain either the number 6 or the number 15?
Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
Raccoons are identified by gender and then weighed from three different neighborhoods. Using a 0.05 significance level what can you conclude from the following Two-Way ANOVA results?
Exam is given to 20 randomly chosen students and their average length of t time needed to finish exam was 54 minutes with standard deviation of 5.99 minutes. Test instructor's claim at the 0.05 level of significance.
Find a peer-reviewed article that provides an example of a study where the researchers utilized a one sample chi-square OR a two sample chi-square. Briefly describe the study and discuss its findings in your own words.
Last week Sarah had exams in Math and in Spanish. On the Math exam, the mean was u, = 30 with a = 5, and Sarah had a score of X - 45. On the Spanish exam, the mean was u, = 60 with 0 = 6 and Sarah had a score of X = 65. For which class must Sarah ..
What is the standard error of measurement for the test? What range of scores would you expect an individual who made 54 on the test to make on another test of similar difficulty? Assume you want to be 68% accurate in your estimate.
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