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Questions: 1. Name the test that is the nonparametric relative of an independent-samples t test. Name the relative of a paired-samples t test.
2. How are nonparametric tests different from parametric tests?
3. Sketch out in your own words the rationale of nonparametric tests.
Suppose that you have a sample mean of 49 and a standard deviation of 3, but now found those values from a sample of 20 observations. test the hypothesis allowing for type 1 error to equal .05.
Standard deviation of 12 years. Worker is stopped at random and asked to fill out questionnaire. Determine the probability that this worker is less than 30 old?
What are the null and alternate hypotheses? How many treatments are there? What is the critical value of F at the 5% level of significance? Indicate in words when you would reject the null hypothesis.
1. why are z scores most often written with two decimal places?2. what is the z score for a x value one standard
The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. At the 0.05 level, is there a difference in among the means?
Does this sample show sufficient evidence that the private university loan default rate is below the rate for all universities, using a left-tailed = .01. That is, do you reject the null hypothesis?
Let f be a Borel measurable function from a separable metric space X onto a metric space S with metric e. Show that (S, e) is separable.
The opportunity to apply ethical theories to the complex issue of ageism
A sociologist wants to describe if the life expectancy of people in Africa is lesser than the life expectancy of people in Asia.
Find a 90% confidence interval for the population mean of annual growth (of those trees with an initial size of 2.41-2.60 centimeters).
the heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet.what is
It is believed that Tai Chi, an ancient Chinese practice of exercise and meditation, is more effective on relieving symptoms of chronic painful fibromyalgia than a widely-used wellness education method.
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