Compare and Contrast Methods of Summarizing and Describing Data
Use

question 6

Multiple Choice

Compare and contrast methods of summarizing and describing data
Use the spreadsheet below to answer the following question(s) .
Below is the table showing rate of shoes sold per day and the highest-priced shoe sold that day for a one-week period. The rate of shoes sold per day (X) and the price of the shoes (Y) . $$\begin{array}{l}\begin{array} { | l | l | } \hline\text { Shoes sold }\\ \text { in \% (X) } & \text { Price (Y) } \\\hline 15 & \$ 48 \\\hline 27 & \$ 55 \\\hline 10 & \$ 40 \\\hline 13 & \$ 88 \\\hline 25 & \$ 53 \\\hline 9 & \$ 47 \\\hline 18 & \$ 40 \\\hline & \\\hline\end{array}\end{array}$$
-Use Excel to calculate the z-score of X observation 27.

• A) -0.24
• B) 0
• C) 0.18
• D) 1.46

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Definitions:

Leeches

Aquatic or terrestrial annelids that have a sucker at each end and are known for their ability to attach to and feed on the blood of animals.

Sandworms and Tubeworms

Diverse groups of worms, often marine, where sandworms usually refer to polychaete annelids and tubeworms can refer to several different taxa that live in protective tubes.

Trochophore Larva

A larval form found in mollusks and many polychaetes.

Petechiae

Tiny, round spots that appear on the skin due to bleeding under the surface, often indicative of a medical condition.