Despite the Profound Effects That Earthquakes Have Had on Civilizations

question 20

Multiple Choice

Despite the profound effects that earthquakes have had on civilizations for so many centuries,systematic scientific observations were not made until the early _________ century,when good descriptions were made of earthquake effects on the land.

• A)thirteenth
• B)seventeenth
• C)eighteenth
• D)nineteenth
• E)twentieth

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Definitions:

Pearson Correlation

A measure of linear correlation between two variables, ranging from -1 to 1, where 1 means a perfect positive linear relationship, -1 means a perfect negative linear relationship, and 0 indicates no linear relationship.

Non-Directional

Refers to a hypothesis that predicts a change or difference but does not specify the direction of the change.

Sample Size

The number of observations or data points collected from a subset of a larger population for the purpose of statistical analysis.

Pearson Correlation

A measure of the linear correlation between two variables, showing how closely the data fit to a line.