The "Year Without a Summer" (1816)may Have Been Caused by

question 33

Multiple Choice

The "year without a summer" (1816) may have been caused by

• A) soot from coal fires.
• B) particulate matter and gases from volcanoes.
• C) a dust cloud produced when a meteorite collided with the earth.
• D) deforestation.

---

Definitions:

Least Squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the differences between observed and predicted values.

Textbooks

Educational books used as standard works for the study of particular subjects.

Coefficient Of Determination

A statistical measure, often represented as R^2, indicating the proportion of the variance in the dependent variable that is predictable from the independent variables.

Least Squares Line

A straight line that minimizes the sum of the squared differences between observed values and values predicted by the line.