The following are the noise levels recorded in units of decibels measured from $20$ different classrooms:
$4855555249535161545057535552534964545865$
Construct a dot plot for this data set. What pattern do you observe from the distribution?

The noise levels are mostly clustered between $49\text{ dB}$ and $55\text{ dB}$, with a few higher values ($61$, $64$, and $65\text{ dB}$) that appear to be outliers.

The noise levels are mostly clustered between $49\text{ dB}$ and $55\text{ dB}$, with a few higher values ($61$, $64$, and $65\text{ dB}$) that appear to be outliers.

The noise levels are mostly clustered between $61\text{ dB}$ and $65\text{ dB}$, with a few lower values ($48$, $49$, and $50\text{ dB}$) that appear to be outliers.

The noise levels are mostly clustered between $61\text{ dB}$ and $65\text{ dB}$, with a few lower values ($48$, $49$, and $50\text{ dB}$) that appear to be outliers.