Figure 18-3
Use the Figure to Answer the Corresponding Question(s) $\Omega$

question 33

Multiple Choice

Figure 18-3
Use the figure to answer the corresponding question(s) .
$\Omega$
$\Omega$
-The results in Figure 18-3 support the conclusion that:

• A) natural selection does not occur in guppies.
• B) natural selection can occur in guppies within a few generations.
• C) predation is not a selective force in determining the average size of guppies.
• D) male body weight increased proportionately more than female body weight.
• E) in the experimental setting, the guppies produced fewer, larger offspring.

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution.

Area

Area refers to the extent or measure of a surface or piece of land, typically measured in square units like square meters or miles.

Chi-squared Distribution

A probability distribution used in hypothesis testing that is primarily associated with frequency data.

Mean

The average of a set of numbers, calculated by dividing the sum of these numbers by the count of the numbers.