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Find three research studies of interest to you that provide proper usage of the one-way, repeated measures, and factorial ANOVA.
State the null hypothesis that was tested in each study. Interpret the F statistic for each study and make a determination regarding the null hypothesis (reject or fail to reject). Comment further on interaction or main effects when appropriate.
Lastly, why do researchers utilize an ANOVA of the t-test? Find a set of data that is suitable for an ANOVA and perform both the appropriate ANOVA and the appropriate t-test on the data.
Comment on your statistical findings? Do you agree with your initial statement regarding the preference of an ANOVA over a t-test when examining more than two groups?
Using quadratic regression model find the estimated number of planes.
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
prevent coronary artery vasoconstriction and the attendant reduction in blood flow to the heart and mechanical function.
Airlines monitor the causes of flights arriving late. 75% of flights are late because of weather, 35% of flights are late because of ground operations. 10% of flights are late because of weather and ground operations.
Steps in hypothesis test procedure - conducting a hypothesis test for some general statistic, ? say.
What decision should be made regarding the null hypothesis?
At 0.05 level of significance, is there enough evidence to conclude that difference exists between proportion of students who have ear infections at one school and the other?
What is the probability that at least one of the new books is a commercial success?
Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Explain.
A graphical presentation may accomplish ALL BUT which of the following objectives? Illustrate the amount of variation in the data.
Determine probability that number of boats constructed next month will be between 4 and 7 (both inclusive).
What is the probability of getting a number less than 5 on both?
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