aining camp and keeps track of her 100-meter dash times. This line plot shows the distribution of her 100-meter dash times at each practice.

100-meter dash times
12.8
13.0
13.2
13.4
13.6
13.8
Time (seconds)
Complete the sentences.
The distribution of times is best described as symmetric . So, the
are both appropriate measures of variation.

mean and standard deviation