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Q1) Using variables below, (1) mention all research questions that would be replied with a Two Way ANOVA test, (2) make null hypotheses for these questions, (3) prepare corresponding research hypotheses, and (4) name 3 effects that will be tested.
College GPA, graduation status (graduated on time, didn't graduate on time, didn't graduate at all), and involvement in campus life (involved vs. not involved)
2) Research at University of Toledo points out that 50 percent of students change their major area of study after their 1st year in a program. Random sample of 100 students in College of Business disclosed that 48 had changed their major area of study after their first year of program. Has there been a noteworthy decrease in proportion of students who change their major after first year in this program? Test at.05 level of significance.
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
Calculate chi-square for the cross-tab. Show your work. Is there a statistically significant relationship between these variables?
An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations. The degrees of freedom for the critical value of F are:
Evaluate the standard deviation - use the conservative value for the degrees of freedom, Assume the two groups are independent and the data are approximately Normal. Let µ 1 and µ 2 represent the mean heart rates we would observe for the entire po..
By using this data and incorporating seasonal effects, predict quarterly turnover for 2010.
Arbitrarily choose someone from sample. Determine the probability that they are Jewish and Democrat?
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.
Find the standard error of the difference in sample means,
Make up a scatter diagram with 10 dots for each of the following situations:
Formulate the null and alternative hypotheses for this application.
Determine the probability that at most 4 fish will be killed?
Whenever the calculated value of t is equal to or greater than the tabled value of t, for a given number of degrees of freedom, then
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