Rocks Are ________ and Thus Not Human-Made

question 1

Multiple Choice

Rocks are ________ and thus not human-made.

• A) coherent
• B) synthetic
• C) rare
• D) natural

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Definitions:

Chi-squared Test

A statistical test used to determine the likelihood of an observed distribution of data differing from a theoretical distribution.

Chi-squared Test

A statistical test used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.

Contingency Table

A type of table used in statistical analysis to summarize the relationship between several categorical variables.

Nominal Data

Refers to data classified into categories that cannot be ordered in any meaningful way, such as types of fruit or colors.