The Following Frequency Distribution Shows the Time (In Minutes) That $$\begin{array} { l l } \text { Time } & \text { Frequency } \\20 - 39 & 2 \\40 - 59 & 4 \\60 - 79 & 6 \\80 - 99 & 4 \\100 - 119 & 2\end{array}$$

question 43

Essay

The following frequency distribution shows the time (in minutes) that a sample of students uses the computer terminals per day. $$\begin{array} { l l } \text { Time } & \text { Frequency } \\20 - 39 & 2 \\40 - 59 & 4 \\60 - 79 & 6 \\80 - 99 & 4 \\100 - 119 & 2\end{array}$$ ​
a.
Compute the mean.
b.
Compute the variance.
c.
Compute the standard deviation.
d.
Compute the coefficient of variation.

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Definitions:

Voting Stock

Shares that give the shareholder the right to vote on matters of corporate policy and the election of the board of directors.

Book Value

The net value of a company's assets minus its liabilities, essentially representing the total value of the company's assets that shareholders would theoretically receive if the company were liquidated.

Equity Method

An accounting technique used to record investments in other companies, where the investment gives the investor significant influence over the investee.

Fair Value

Fair value refers to the estimated market value of an asset or liability, reflecting the price at which it could be exchanged between knowledgeable, willing parties in an arm's length transaction.