Imagine You Calculated the Correlation Coefficient for the Data Presented

question 59

Multiple Choice

Imagine you calculated the correlation coefficient for the data presented in the figure, and the resulting number was r = -.44. Looking at the figure, how would you know the number you calculated is incorrect?

• A) There aren't 44 dots in the figure.
• B) Correlation coefficients cannot be smaller than 1.
• C) The figure shows a positive relationship between optimism and life satisfaction.
• D) There wouldn't be a way to know this.

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Definitions:

Water Uptake

The process by which plants absorb water from the soil through their roots to maintain vital functions.

Alternate

To occur or happen in succession; to switch between two or more states, actions, or conditions.

Leaf Arrangement

The pattern or configuration of leaves on the stem of a plant, which can be alternate, opposite, or whorled, among others.

Node

A point along a stem or branch at which leaves, branches, or flowers originate; in networks, a node is a junction or connection point.