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One-Way & Factorial ANOVA using SPSS

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Whenever there are two independent variables and each independent variable has multiple groups, the most appropriate statistical test to use to compare these means and interactions is the two-way (factorial) ANOVA.

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Solution Summary

This solution gives the step by step method for ANOVA. It uses SPSS to construct and perform various hypothesis tests.

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SPSS: One way and Two way ANOVA

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1. Compare the different Ethnicities of students in the Stat_Grades.sav class to determine if there is a statistically significant difference in the average Final Examination points between the different ethnicities. Be sure to state the hypothesis, state Ho and Ha, include and explain all SPSS results, and write final conclusions for the full results of the test. Include Post Hoc results and the plot. Be sure that your final conclusions are written in common terms for an average person to understand.

2. Extend the hypothesis from number one above. Compare the different ethnicities of students in the Stat_Grades.sav class and the genders to determine if there is a statistically significant difference in the average Final Examination points between the different ethnicities and different genders. Be sure to state the hypothesis, state all Ho and Ha, include and explain all SPSS results, and write final conclusions for the full results of the test. Include Post Hoc results, note any interactions and whether they are significant, and include and explain the plot. Be sure that your final conclusions are written in common terms for an average person to understand.

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