Given a Dataset Where R = -

question 16

Multiple Choice

Given a dataset where r = -.9, adding a new case where the value of x is high and the value of y is low is most likely to ______.

• A) increase the magnitude of the correlation
• B) decrease the magnitude of the correlation
• C) have no effect on the correlation
• D) skew the correlation

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Definitions:

Nonlinear

A relationship or function that does not follow a straight line when graphed, indicating a proportional rate of change.

Spread

The extent to which a set of values, such as data points in a dataset, are spread out or dispersed from their average.

Golf Ball

A small, hard ball used in the game of golf, designed with dimples to aid its flight stability.

Residuals

In statistical models, residuals are the differences between observed and predicted values of data, used to assess the model's fit.