Exhibit 10

question 41

Multiple Choice

Exhibit 10.7.A stats professor at a large university hypothesizes that students who take statistics in the morning typically do better than those who take it in the afternoon.He takes independently random samples,each of size 36,consisting of students who took a morning and an afternoon class,and compares the scores of each group on a common final exam.He finds that the morning group scored an average of 74 with a standard deviation of 8,while the evening group scored an average of 68 with a standard deviation of 10.The population standard deviation of scores is unknown,but assumed to be equal for morning and evening classes.Let and represent the population mean final exam scores of statistics' courses offered in the morning and the afternoon,respectively Refer to Exhibit 10.7.Compute the appropriate test statistic to analyze the claim at the 1% significance level.

---

Definitions:

Supportive Leadership

A leadership style characterized by a focus on the well-being of team members, encouraging and facilitating personal and professional growth.

Achievement-oriented Leadership

A leadership approach that centers on establishing ambitious objectives, prioritizing high standards, and showing trust in the capabilities of followers.

Directive Leadership

A leadership style where the leader gives specific instructions and directions to followers and expects compliance.

Participative Leadership

A leadership style where the leader involves team members in decision-making processes, enhancing their engagement and ownership.