In the Chi-Square Test, the Null Hypothesis (No Difference Between

question 104

Multiple Choice

In the chi-square test, the null hypothesis (no difference between sets of observed and expected frequencies) is rejected when the:

• A) computed chi-square is less than the critical value.
• B) difference between the observed and expected frequencies is significant.
• C) difference between the observed and expected frequencies is small.
• D) difference between the observed and expected frequencies occurs by chance.

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Definitions:

Life Expectancy

The average number of years an individual or population is expected to live, based on current mortality rates and other demographic factors.

Regression Model

A statistical technique used to predict the value of a dependent variable based on the values of one or more independent variables.

Coefficient

Before a variable in an algebraic expression, there lies a constant or numerical amount that serves to multiply it.

Constant

A fixed value in mathematics and science that does not change in a given context, often represented by a symbol.