A random sample of ten examination papers in a course that was given on a pass or fail basis showed the following scores. 
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?
Definitions:
Not Egocentric
The ability to understand and be concerned with the perspectives and needs of others, rather than being focused solely on oneself.
Child
A young human being below the age of puberty or below the legal age of majority.
Theory Of Mind
The ability to attribute mental states—beliefs, intents, desires, emotions, knowledge—to oneself and others, understanding that others have beliefs, desires, and intentions that are different from one's own.
Infer
To deduce or conclude information from evidence and reasoning rather than from explicit statements.
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