Not Only Do Members of the Same Family Share Similar

question 102

Multiple Choice

Not only do members of the same family share similar patterns of body growth and development,but members of the same ethnic groups also show similar rates of growth and final body proportions.This suggests that

• A) it is difficult to determine norms of physical growth.
• B) there is great individual variation in physical growth.
• C) cultural factors alone are responsible for physical development.
• D) genetic factors play an important role in physical development.

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Definitions:

Two-tailed Hypothesis Test

A statistical test in which the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.

Test Statistic

A calculated value from sample data used to decide whether to reject the null hypothesis in hypothesis testing.

P-value

The P-value is a statistical parameter that helps to determine the significance of the results from a hypothesis test, indicating the probability of observing the results if the null hypothesis is true.

P-value

A statistic that measures the probability of obtaining an observed result, or more extreme, under the assumption that the null hypothesis is true.