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.

Understand the principles and methods for accurate body temperature measurement.

Comprehend the factors affecting pulse oximetry readings and interpret these readings correctly.

Identify the appropriate use of personal protective equipment and disposal medical supplies to prevent the spread of infection.

Recognize the signs of thermal stress, such as hypothermia and hyperthermia, and implement appropriate interventions.

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