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1) Determine the appropriate test to perform
2) Compute the test by hand
3) Confirm your computations with Minitab or an online calculator
4) Apply the results to draw a conclusion
5) Write up the conclusion according to APA format
Are serial killers more introverted than the general population? A sample of 14 serial killers serving life sentences was tested and found to have a mean introversion score of 42 with s = 6.8. If the population mean is 36, are the serial killers significantly more introverted at the .05 level? Perform the appropriate one-tailed test.
Evaluate percentage of households in town with one or more cars; attach standard error to be evaluate. If this is no possible, describe why not.
What additional strategies (up to 3) you would propose that may increase validity of the findings.
A month of sales data are collected on sales of different types of computer products Run the t-tests to determine:
Find out best decision, by using following decision criteria.
We are interested in testing to see if the variance of a population is less than 7. The correct null hypothesis is:
What can we say about the form or way of the distribution of the average or median of the sample?
Assume that the following four examines were tested as part of a large group that had a normally curved distribution.
Compute the mode, median and mean for the college students and compute the mode, median and mean for the parents' data
Assuming the sample size of 40 can be considered as large, compute the confidence interval for a confidence level of 90%.
Expalin what would be the appropriate statistical procedure to test the following hypothesis: Triglyceride values are a good predictor of weight in obese adults.
Find a 95 percent confidence interval for the population mean concentration of uric acid in this patients blood. The concentration of uric acid in this patient's blood.
What are the minimum and maximum heights it should use as a basis for its design?
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