The Final Examination Grades of Random Samples of Students from Three

question 136

Essay

The final examination grades of random samples of students from three different classes are shown below.
At the   .05 level of significance, is there any difference in the mean grades of the three classes? Show the complete ANOVA table.

---

Definitions:

Direct Approach

A straightforward method of communication or action where the main point is presented at the beginning.

Conclusions

Final statements or judgments derived from the analysis or consideration of information or evidence.

Recommendations

Advice or suggestions aimed at aiding decision-making processes.

Proposal

A plan or suggestion, especially in a formal or professional context, put forward for consideration or discussion by others.