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

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

Medium altitude has medium frequency songs.
Medium altitude has medium frequency songs.

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

Higher altitudes are correlated with lower song frequencies.

1 answer

Based on the data provided, the correct response is:

Higher altitudes are correlated with lower song frequencies.

This conclusion is supported by the observation that as altitude increases, the number of birds singing below 1500 Hz decreases. At low altitude, there are 80 birds below 1500 Hz, at medium altitude there are 50, and at high altitude only 20 birds sing below 1500 Hz, indicating that higher altitudes are associated with lower frequencies of bird songs.