A Biology Professor Claimed That the Proportions of Grades in His

question 29

Short Answer

A biology professor claimed that the proportions of grades in his classes are the same. A sample of 100 students showed the following frequencies. $$\begin{array} { | l | c | c | c | c | c | } \hline \text { Grade } & \text { A } & \text { B } & \text { C } & \text { D } & \text { F } \\\hline \text { Frequency } & 14 & 23 & 27 & 26 & 10 \\\hline\end{array}$$ Use statistical software to compute the p-value for this test.

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Definitions:

User Cost

The opportunity cost of extracting and selling a non-renewable natural resource today rather than waiting to extract and sell the resource in the future; the present value of the decline in future revenue that will occur because a nonrenewable natural resource is extracted and sold today rather than being extracted and sold in the future.

Extraction Cost

All costs associated with extracting a natural resource and readying it for sale.

Quantity of Gold Bars

The total number or weight of gold bars held or transacted.

Renewable Natural Resource

A resource that can replenish itself naturally over time, such as solar energy, wind, and biomass.