In Baseball, Is There a Linear Correlation Between Batting Average $$\begin{array} { c | c c c c c } \hline x & 0.251 & 0.259 & 0.29 & 0.265 & 0.269 \\\hline y & 1.3 & 3.7 & 5.8 & 3.9 & 3.7 \\\hline\end{array}$$

question 17

Multiple Choice

In baseball, is there a linear correlation between batting average and home run percentage? Let x represent the batting average of a professional baseball player. Let y represent the home run percentage (number of home runs per 100 times at bat) . Suppose a random sample of baseball players gave the following information. $$\begin{array} { c | c c c c c } \hline x & 0.251 & 0.259 & 0.29 & 0.265 & 0.269 \\\hline y & 1.3 & 3.7 & 5.8 & 3.9 & 3.7 \\\hline\end{array}$$ Compute r.

• A)0.001
• B)0.923
• C)-0.923
• D)-0.001
• E)none of these choices

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Definitions:

Predictable Environmental Cue

A predictable environmental cue is a consistent signal from the environment that organisms can use to time certain behaviors or life history events.

Circadian

Relating to biological processes that occur in a natural, cyclic pattern of approximately 24 hours.

Circannual Rhythms

Biological processes and behaviors that display an annual, or yearly, cycle.

Constant Darkness

An environmental condition characterized by the absence of light for an extended period, affecting biological rhythms and behaviors in organisms.