Researchers conducted a study to investigate the impact of resilience and key demographics on the transformational leadership behaviors demonstrated by frontline sales professionals. The Leadership Practices Inventory (LPI) was used to assess transformational leadership; LPI scores range as high as 300, with 300 representing exemplary leadership. The initial analysis focused on the impact of education on transformational leadership. The researchers found the following:

a. Complete the ANOVA summary table.
b. At the 0.05 level of significance, is there evidence of a difference in the mean LPI score across education levels?
c. If the results in (b) indicate that it is appropriate, use the Tukey Kramer procedure to determine which groups differ in mean LPI score. Discuss your findings.

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Degrees of Freedom Sum of Mean uares F Among groups Within groups Total 179 183 13,918.573 284,671.467 298,590.040 Group High School Degree Associate's/Technical Degree 4-year College Degree Master's Degree Advanced Degree Mean 218.5689 216.8864 224.1559 257.2250 183.0000 72 I 4