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For two dependent groups you get
Group 1:
86
71
77
68
91
72
70
88
87
Group 2:
76
64
96
65
90
80
81
Apply the Wilcoxon signed rank test with α = 0.05. Verify that W = 0.7565 and that you fail to reject.
Explain briefly and in nontechnical language what "a significant difference (P
Can one conclude at the 0.05 significance level that the morning class performed worse than the afternoon class? Work the problem first by hand, supplying all the details for the Mann-Whitney U test.
A researcher wishes to estimate within $300 the true average amount of money a country spends on road repairs each year. If she wants to be 90% confident, how large a sample is necessary? The standard deviation is known to be $900.
Credit Union Loans USA TODAY reported that 21% of loans granted by credit unions were for home mortgages. At a = 0.05, is the distribution the same as reported in the newspaper?
Mercedes Goes After Younger Buyers
A window is in the shape of a square of side s, witha semicircle of diameter s above it. Please help me unable to figure out how to write a function that express the total area of the window as a function of s
The Current Events Application Paper resembles the Critical Analysis in its guidelines (grading rubrique pasted below). The difference here is that I'm asking you to summarize and/or concretize the main points from a current news item dealing with..
Wwho are also athletes but who are not regularly hit in the head. Is this an example of an experimental or nonexperimental study?
For the following ANOVA experiments, determine the critical region(s) and critical value(s) that are used in the classical approach for testing the null hypothesis
A coin that comes up heads with probability 0.6 is continually ?ipped. Find the expected number of ?ips until either the sequence thht or the sequence ttt occurs, and ?nd the probability that ttt occurs ?rst.
Mean of $62000 per year and a standard deviation of $5000 per year. what percent of police officers make: what salary represents the top 5%?
consider x1 and x2 given in exercise 3-173 where if x1 and x2 are independent random variables with ex12ex25 vx12 vx210
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