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

question 86

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:

Explosives

A rephrased definition: Chemical compounds or mixtures that release a large amount of energy in a very short time through blasts or combustion.

Carbon Dioxide

A colorless, odorless gas with the formula CO2, produced by burning carbon and organic compounds and by respiration.

Organic Material

Matter obtained from living organisms, typically consisting of compounds like carbohydrates, proteins, lipids, and nucleic acids.

Blast Wave

A high-energy shock wave resulting from an explosion, characterized by an abrupt increase in pressure and velocity of the surrounding medium.