Consider the Following to Answer the Question(s) Below

question 13

Multiple Choice

Consider the following to answer the question(s) below:
A small independent organic food store offers a variety of specialty coffees. To determine whether price has an impact on sales, the managers kept track of how many kilograms of each variety of coffee were sold last month. The data, scatterplot and summary statistics are shown below.

-A pair of variables, x and y, have a correlation coefficient of -0.8851. Which of the following statements is true?

• A) variation of x explains about 78.34 % of the variation of y
• B) variation of x explains about 88.51 % of the variation of y
• C) variation of y explains about 78.34% of the variation of x
• D) variation of x cannot explain about 78.34 % of the variation of y
• E) variation of y explains about 88.51% of the variation of x

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Definitions:

Hyperthermia

An elevated body temperature caused by failed thermoregulation, often resulting from external factors like environmental heat.

Heat Loss Mechanisms

The methods by which the body loses heat, including radiation, convection, conduction, and evaporation, to regulate body temperature.

Strenuous Exercise

Physical activity that requires a significant amount of effort and energy, often leading to muscle fatigue and soreness.

Orthostatic Hypotension

A form of low blood pressure that happens when standing up from sitting or lying down, causing dizziness or lightheadedness.