A Sample of Eight People Attended a Two Day Course

question 21

Multiple Choice

A sample of eight people attended a two day course that prepares students for college admission testing. The students were given a pretest before the course and a posttest after the course. The results were as follows.
$\begin{array} { l | c c c c c c c c } \text { Student } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 \\\hline \text { Pretest } & 66 & 74 & 74 & 71 & 70 & 72 & 65 & 66 \\\text { Posttest } & 79 & 76 & 63 & 67 & 64 & 89 & 78 & 74\end{array}$

a) Compute the test statistic
b) Can you conclude that the median scores differ between the pretest and posttest? Use the α = 0.10
Level of significance.

• A) a) S=10
• b) We cannot conclude that the median of the pretests and posttests are different.
• B) a) S=10
• b) We can conclude that the median of the pretests and posttests are different.
• C) a) S=9
• b) We cannot conclude that the median of the pretests and posttests are different.
• D) a) S=9
• b) We can conclude that the median of the pretests and posttests are different.

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Definitions:

Supervises Work Progress

The act of overseeing and monitoring the advancement of tasks or projects to ensure they are on schedule, meet quality standards, and align with objectives.

Impoverished Management

A leadership style characterized by minimal effort in both task accomplishment and interpersonal relationships, often leading to poor team performance and morale.

Non-Committal

Reluctance or refusal to make a definite decision or express a definite opinion or plan.

Trait Approach

A perspective in leadership studies focusing on identifying specific qualities and characteristics that are associated with effective leadership.