Use the Data Given Below to Answer the Following Questions)

question 56

Multiple Choice

Use the data given below to answer the following questions) .
Below is a spreadsheet of purchase orders for a computer hardware retailer. $\begin{array}{|l|l|l|l|l|l|l|l|l|}\hline& \text { A } & \text { B } & C & \mathrm{D}&E&F&G&H \\\hline &\text { Purchase } & & & \\1& \text { Orders } & & & \\\hline 2\\\hline 3 & \text { Supplier } & \begin{array}{l}\text { item }\\\text { Description }\\\end{array} & \begin{array}{l}\text { Item } \\\text { Cost }\end{array} & \text { Quantity } & \begin{array}{l}\text { Cost per } \\\text { Order }\end{array} & \begin{array}{l}\text { AP Terms } \\\text { Months) }\end{array} & \begin{array}{l}\text { Order } \\\text { No. }\end{array} & \begin{array}{l}\text { Order } \\\text { Size }\end{array} \\\hline & \text { Rex } & \text { Graphics } & & & & & \\4&\text { Technologies } & \text { Card } & \$ 89 & 35 & \text { \$3115 } & 20 & \text { AL123 } & \text { Large } \\\hline5 & \begin{array}{l}\text { Rex } \\\text { Technologies }\end{array}& \text { Monitor } & \$ 150 & 15 & \$ 2250 & 25 & \text { AL234 } & \text { Small } \\\hline6 & \begin{array}{l}\text { Rex } \\\text { Technologies }\end{array}&\text { Keyboard } & \$ 15 & 40 & \$ 600 & 15 & \text { AL345 } & \text { Large } \\\hline7 & \begin{array}{l}\text { Rex } \\\text { Technologies }\end{array}&\text { Speakers } & \$ 15 & 20 & \$ 300 & 25 & \text { AL456 } & \text { Small } \\\hline8 & \begin{array}{l}\text { Max's } \\\text { wavetech }\end{array}&\text { HD Cables } & \$ 5 & 10 & \$ 50 & 25 & \text { KO876 } & \text { Small } \\\hline9 & \begin{array}{l}\text { Max's } \\\text { wavetech }\end{array}&\text { Processor } & \$ 278 & 27 & \$ 6950 & 30 & \text { KO765 } & \text { Large }\\\hline10 & \begin{array}{l}\text { Max's } \\\text { wavetech }\end{array}&\text { Hard disk } & \$ 120 & 18 & \$ 2160 & 20 & \text { KO654 } & \text { Small }\\\hline 11\\\hline12\\\hline\end{array}$
-To find the average of the total cost of orders from Rex Technologies, what Excel formula should be used in A12?

• A) =AVERAGEC4:C10)
• B) =AVERAGEC4:C7)
• C) =AVERAGEE4:E7)
• D) =AVERAGEE4:E10)

---

Definitions:

Variability

The extent to which data points in a dataset differ from each other and from their average value, indicating the spread or dispersion in the dataset.

True Score

In psychometrics, the actual score that accurately reflects the tested variable or trait in the absence of measurement errors.

Reliability

The degree to which an assessment tool produces stable and consistent results over multiple administrations under the same conditions.

Construct Validity

The extent to which a test or instrument accurately measures the theoretical construct or concept it is intended to assess.