A Random Sample of Ten Examination Papers in a Course

question 117

Short Answer

A random sample of ten examination papers in a course that was given on a pass or fail basis showed the following scores.
$\begin{array}{cc}\text { Paper Number }&\text { Grade }&\text { Status }\\1 & 65 & \text { Pass } \\2 & 87 & \text { Pass } \\3 & 92 & \text { Pass } \\4 & 35 & \text { Fail } \\5 & 79 & \text { Pass } \\6 & 100 & \text { Pass } \\7 & 48 & \text { Fail } \\8 & 74 & \text { Pass } \\9 & 79 & \text { Pass } \\10 & 91 & \text { Pase }\end{array}$
a. What is the point estimate for the mean of the population?
b. What is the point estimate for the standard deviation of the population?
c. What is the point estimate for the proportion of all students who passed the course?

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Definitions:

Advantages

The favorable conditions or benefits that make a specific situation or choice preferable over others.

Participation

The act of taking part or becoming involved in an activity or event, often contributing to a collective goal.

Effects

Refers to the outcomes or changes resulting from a specific cause or action.

Group Decision-Making Techniques

Methods and strategies utilized by teams or groups to analyze problems, generate solutions, and decide on a course of action collectively.