Consider the Following to Answer the Question(s) Below

question 14

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 regression of two variables, x and y, results in the value of R2 equal to 0.7834. Which of the following statements is true?

• A) The correlation coefficient must be 0.7834.
• B) The correlation coefficient must be -0.8851.
• C) The correlation coefficient must be -0.7834.
• D) The correlation coefficient can be either 0.8851 or -0.8851.
• E) The correlation coefficient must be 0.8851.

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Definitions:

Compression

The process of reducing the size of a file or data set to save space or decrease transmission times, often involving the removal of redundant information.

CAD Software

Stands for Computer-Aided Design software, used by engineers, architects, and designers to create precision drawings or technical illustrations.

Architectural Designs

Visual plans and specifications detailing the layout, structure, and aesthetics of buildings and other constructions, used as a blueprint for construction projects.

Drawing Software

Computer programs designed for creating, editing, and illustrating digital images and graphics.