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For two dependent groups you get
Group 1:
10
14
15
18
20
29
30
40
Group 2:
8
2
3
Compare the two groups with the sign test and the Wilcoxon signed rank test with α = 0.05. Verify that according to the sign test, ˆp = 0.29 and that the 0.95 confidence interval for p is (0.04, 0.71), and that the Wilcoxon signed rank test has an approximate p-value of 0.08.
Suppose B^0 and B^1(beta hut 0 and beta hut 1) are the least squares estimates of B0 and B1 of the first model. Find the estimates of B0* and B1* in terms of B^0 and B^1.
question suppose an influenza epidemic strikes a city. in 10 of families the mother has influenza in 10 of families
First, write down three social problems (e.g., drug abuse, gang membership, bullying, domestic violence, child abuse, etc) that we might attempt to predict using logistical regression.
Calculate 95% and 99% confidence intervals for m. Using the 95% confidence intervals, can we be 95% confident that m is a least 50 pounds? Explain.
You flip four 2-sided coins and roll one 6-sided die. How many unique outcomes are there for this five-part experiment? Compute an exact answer?
The statistics showed that students studied an average of 20 hours per week with a standard deviation of 10 hours. What is the probability that a sample mean would exceed 20 hours per week?
the center of disease control and prevention reported the diastolic blood pressure of adult women in the us are
Figures for the yearly crime rate (the number of crimes per 1,000 population) in Mississippi, USA from 1993 to 2002 are as follows:
suppose were testing a new antibacterial cream formulation cs on a small cut made on the inner forearm. we know from
If the population standard deviation is σ = 10, can you conclude that the treatment has a significant effect? Use a two-tailed with α = .05.
Estimate the mean monthly rent paid by the whole student population. what is the probability that the sample mean exceeds the population mean by more than %5.
At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a p-value and interpret it.
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