The Number of Phone Calls Arriving at a Switchboard Each

question 14

Multiple Choice

The number of phone calls arriving at a switchboard each hour has been recorded, and the following frequency distribution has been developed.
$$\begin{array} { l c } \text { Class Interval } & \text { Frequency } \\20 \text {-under } 40 & 30 \\40 \text {-under } 60 & 45 \\60 \text {-under } 80 & 80 \\80 \text {-under } 100 & 45\end{array}$$
What is the midpoint of the last class?

• A)80
• B)100
• C)95
• D)90
• E)85

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Definitions:

Inventory Units

The individual items or quantifiable segments of products that a business holds in its inventory, each possibly having a different value or cost basis.

Perpetual LIFO

Perpetual Last-In-First-Out is an inventory cost method assuming that the last items added to inventory are the first sold, continually updating inventory and cost of goods sold values.

Ending Inventory

The overall price of items available for selling at the end of a fiscal period.

Inventory Units

Quantities of goods held by a business for the purpose of sale or production.