If We Reject the Null Hypothesis in a Test Using

question 1

Multiple Choice

If we reject the null hypothesis in a test using analysis of variance, we are concluding that________.

• A) the populations from which our samples come are different.
• B) the variables are independent.
• C) the population variances are the same.
• D) the sample means are significantly different.

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Definitions:

Precautionary Principle

A strategy to cope with possible risks where scientific understanding is yet incomplete, suggesting action to avoid or diminish harm.

Scientific Research

The systematic investigation and study of materials, sources, etc., in order to establish facts and reach new conclusions.

Commercial Use

Activities undertaken for the purpose of generating profit, often related to the buying and selling of goods and services.

Toxicity

The degree to which a substance can cause harm to an organism.