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:
Schedule D
Schedule D is a tax form used to report capital gains or losses from the sale of capital assets, including stocks, bonds, and real estate.
Average Cost
A method of calculating the cost of inventories based on the average cost of all similar goods available during the period.
Adjusted Basis
The original cost of a property plus improvements, less any depreciation taken, used in calculating capital gains or losses for tax purposes.
Shares Sold
Refers to the act of selling ownership stakes in a company or investment.
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