If Z Represents the Test Statistic Used Which Results in Z=2.05

question 30

Multiple Choice

If z represents the test statistic used which results in z=2.05, p<.05 what does this result indicate?

• A) That 2.05 is the critical value
• B) That 2.05 is not the critical value
• C) The probability is less than 5% that on any one test of the null hypothesis, the sample and the population averages differ
• D) The probability is less than 5% that on any one test of the null hypothesis, the sample and the population averages agree

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Definitions:

Genetic Contributions

pertains to the influence of genes inherited from parents on various traits of an individual, including physical characteristics, health, and behavior.

Environmental Contributions

The influences from one's surroundings that affect development, behavior, or conditions, including social, physical, and cultural factors.

Twin Studies

A research method used in psychology and genetics to determine the contribution of genetics versus environment on human development, behavior, and health by comparing monozygotic (identical) and dizygotic (fraternal) twins.

Monozygotic Twins

Identical twins that develop from a single fertilized egg and share the same genetic material.