A Pearson Correlation of R = −1

question 19

True/False

A Pearson correlation of r = −1.00 means that all the data points fit perfectly on a straight line.

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Definitions:

Biased

Showing preference or prejudice for or against something or someone, often in a way considered to be unfair.

Simple Random Samples

A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Selection Bias

A type of bias caused by selecting non-random data for statistical analysis, which can affect the validity of conclusions.

Systematic Tendency

A consistent, directional bias or movement in a series of data or measurements, often due to a specific cause.