The Null Hypothesis for a Chi-Square Test of Independence Specifies

question 35

Multiple Choice

The null hypothesis for a chi-square test of independence specifies

• A) two variables to be independent.
• B) two variables to be related.
• C) observed frequencies to match the frequencies in the population.
• D) equal frequencies in all categories.

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Definitions:

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations of the independent variable.

Hydroxide ions

Negatively charged ions made up of one oxygen and one hydrogen atom, symbolized as OH-.

Alkaline Solution

A solution with a pH value greater than 7, indicating it has fewer hydrogen ions than pure water and is commonly referred to as basic.

Basic Solution

A solution that has a pH greater than 7, indicating it has a higher concentration of hydroxide ions than hydrogen ions.