Data is collected on the frequency of mountain bird songs at three different elevations. Data is collected from 100 birds at each elevation.

Low altitude: 80 below 1500 Hz
Medium altitude: 50 below 1500 Hz
High altitude: 20 below 1500 Hz

How does altitude relate to song frequency of birds?

(1 point)
Responses

Altitude does not affect bird song frequencies.
Altitude does not affect bird song frequencies.

Higher altitudes are correlated with higher song frequencies.
Higher altitudes are correlated with higher song frequencies.

Higher altitudes are correlated with lower song frequencies.
Higher altitudes are correlated with lower song frequencies.

Medium altitude has medium frequency songs.

1 answer

Based on the data collected, the response that best summarizes the relationship between altitude and bird song frequency is:

Higher altitudes are correlated with lower song frequencies.

This conclusion is supported by the data showing that as altitude increases (from low to medium to high), the number of birds singing below 1500 Hz decreases.