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:

Monetary

Relating to money or currency, especially the management of money by governments or financial institutions.

Nonmonetary

Pertains to transactions or incentives not involving financial exchange, often referring to barter, volunteerism, or other forms of trade.

Clientelling

A sales technique that involves creating long-term relationships with customers by providing personalized service and attention.

Personalized Shopping Experience

Tailored shopping engagements that cater to the individual preferences and behaviors of customers.