# Why was it (appropriate or not appropriate) to do a One-way ANOVA?

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WIDENER UNIVERSITY – SCHOOL OF NURSING

N652 – Statistical Analysis

Spring 2011

Quiz #10

***PLEASE POST THE COMPLETED ASSIGNMENT ON CAMPUSCRUISER “MY JOURNALS” BY THE BEGINNING OF THE NEXT CLASS***

NAME: ______________________________________ DATE: ______________
(my signature attests to the fact that the answers presented on this test are my own work, without the assistance of any person in or outside of this class)

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WIDENER UNIVERSITY – SCHOOL OF NURSING

N652 – Statistical Analysis

Spring 2011

Quiz #10

***PLEASE POST THE COMPLETED ASSIGNMENT ON CAMPUSCRUISER “MY JOURNALS” BY THE BEGINNING OF THE NEXT CLASS***

NAME: ______________________________________ DATE: ______________
(my signature attests to the fact that the answers presented on this test are my own work, without the assistance of any person in or outside of this class)

1. A group of 173 baccalaureate nursing students were studied to compare the Grade Point Average (GPA) among the groups of Junior, Senior, and non-matriculated students. The research hypothesis was that the three groups would differ in GPA. Data analysis resulted in the One-way ANOVA computer output on the following page. Review the ANOVA output carefully and answer the following questions:

a) Was it appropriate to do a One-way ANOVA with these data? (circle one):
YES NO

b) Why was it (appropriate or not appropriate) to do a One-way ANOVA?

c) What did you decide to do about the Null Hypothesis? (circle one)
Accept Reject

d) Were there significant differences in GPA among the groups? (circle one)
YES NO

e) What data did you use in interpreting this analysis?

f) What conclusions can you draw from these findings? Be specific!
One-Way ANOVA – Comparing 3 Groups of Students on GPA

Post Hoc Tests

priate) to do a One-way ANOVA?

c) What did you decide to do about the Null Hypothesis? (circle one)
Accept Reject

d) Were there significant differences in GPA among the groups? (circle one)
YES NO

e) What data did you use in interpreting this analysis?

f) What conclusions can you draw from these findings? Be specific!
One-Way ANOVA – Comparing 3 Groups of Students on GPA

Post Hoc Tests