A Scientist Is Hoping to Compare the Levels of DDT $\mathrm { H } = 11.718$

question 13

Multiple Choice

A scientist is hoping to compare the levels of DDT toxin found in three species of fish in a local river. He randomly samples 7 of each species to use in the analysis. For each fish, he measures the
Amount of DDT toxin present. The data is shown below:

Ideally he will be able to determine if a difference exists in the population of DDT toxins found in the three fish species. The test statistic was determined to be $\mathrm { H } = 11.718$ . State the appropriate conclusion when testing at $\alpha = 0.025$ .

• A) There is insufficient evidence to indicate that the distributions of DDT toxins for the three species are identical.
• B) There is sufficient evidence to indicate that the distributions of DDT toxins for the three species are identical.
• C) There is sufficient evidence to indicate that the distributions of DDT toxins for the three species differ in location.
• D) There is insufficient evidence to indicate that the distributions of DDT toxins for the three species differ in location.

Analyze the role of creative workplace solutions in supporting family child care.

Identify the primary agents responsible for peacemaking and conflict resolution within families.

Understand the challenges and alternative strategies in child development exposed to violence.

Define the role of advocacy in promoting the welfare of children and families.

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Definitions:

Images

Visual representations, either mental or physical, of an object or scene.

Mental Age

A concept used to describe the intellectual capability of a person, expressed as the age at which an average individual reaches the same level of understanding or ability.

IQ

A measure of a person's intelligence, usually represented as a score derived from standardized tests.

Validity

The extent to which a test, measurement, or research accurately represents or measures what it is intended to.