In a Hypothetical World, Every 50 Years People Over 6

question 50

Multiple Choice

In a hypothetical world, every 50 years people over 6 feet tall are eliminated from the population. Based on your knowledge of natural selection, you would predict that the average height of the human population will

• A)remain unchanged.
• B)gradually decline.
• C)rapidly decline.
• D)gradually increase.
• E)rapidly increase.

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Definitions:

Hypothesis Test

A procedure in statistics to determine if there is enough evidence to reject a null hypothesis in favor of an alternative hypothesis.

Chi-square Distribution

A statistical distribution used particularly in hypothesis testing, derived from the sum of the squares of a set of variables that follow a normal distribution.

Critical Value

A point on the scale of the test statistic beyond which the null hypothesis is rejected.

Sampling Distribution

A probability distribution of a statistic obtained through a large number of samples drawn from a specific population.