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Define and describe each of the measures of association: OR, RR, ANOVA, and Correlations (1 page)
Provide an example of a study that uses each of the six types of analyses (OR, RR, ANOVA, correlations, chi-square, t-tests) (1 - 2 pages)
How are OR and RR different? What types of studies use OR versus RR? (1 page)
Assume that T has a t-distribution with 8 degrees of freedom. Find the following probabilities.
it is believed that 4 of children have a gene linked to juvenile diabetes. researchers would like to test new
Students will conduct one brief research exercise that will be written up as a research report using APA style.
Final scores averaged 66 for the treatment group; the SD was 21. For the control group, the figures were 59 and 20. What do you conclude?
The heights of adults in one town have a mean of 66.3 inches and a standard deviation of 3.3 inches. What can you conclude from Chebychev's theorem about the percentage of adults in the town whose heights are between 59.7 and 72.9 inches..
Sun Love grapefruit growers have determined that the diameters of their grapefruits are normally distributed with a mean of 4.5 inches and a standard deviation of 0.3 inches.
Mean=63.6 Standard deviation=2.5 If 36 data points are arbitrarily chosen, determine the probability that mean is less than 64.
Change this to the average probability of tossing heads by putting the average number of heads in a fraction over the number of coins you used in your tosses.
what are the expected value and variance of the following probability distribution?random variable
The manager wants to test whether the average commission is $439 per month. A random sample of 100 observations is available. What statistical test is best in this situation? Why?
Jasmine is an African American graduate student. She is conducting research on the effects that affirmative action programs have had on American corporations.
The cost of 5 gallons of ice cream has a variance if 49 with a mean of 30dollars. What is the probability that the sample would differ from the true mean by less than 0.6 dollars if the sample of 145 5 gallon pails is randomly selected.
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