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What is a test of a proportion and give an example.
What test do you use when one sample is small and the other large?
Explain the difference between testing one sample with a parameter and testing two samples.
What are the likes and differences between the ttable and the z table?
When would you use a two population test with a large sample size in politics or workplace?
Could gender be used as a variable in the creation of a test of two populations? Why or why not.
What constitutes a small sample size in a test of two populations?
When testing two populations and one sample's size is small and the other sample's size is large?
What is the difference between a sample parameter (x-bar and s) and a proportion parameter (p)?
A four-year financial project is forecast to have net cash inflows of $20,000; $25,000; $30,000; and $50,000 in the next four years. It will cost $75,000 to implement the project
Show how to generate a random variable from the exponential distribution function shown above. Show derivation of the equation.
In regression equation, the value of y-intercept indicates the value of Y when the value of X is zero.
If many samples of size 1000 persons are chosen, determine the expected value (mean X-bar) or average of average IQ's for these samples?
FBI Report do greater universities that tend to have more property crime. Keep a scatter diagram also sketch the line you think best fits the data.
Prepare an analysis of your selected article. Start by identifying and summarizing the hypothesis described in the article. Then explain whether the hypothesis was rejected or accepted,
Craft one page brief of the statistical results (include any additional pages needed for any APA tables or graphs and the SPSS syntax and output) in which you do the following:
If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis.
The drug Ancrod was tested in a double-blind clinical trial in which subjects who had strokes were randomly assigned to get either Ancrod or a placebo.
Construction of frequency distribution table for the given continuous data.
A reporter took a simple random sample of 725 voters in a region that has a population of 12,457. He recorded that 338 of the persons polled favored Issue 1 on the ballot.
An environmental agency recently claimed more than 28% of consumers have stopped buying a certain product because of environmental concerns.
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