Question

How many pairs of shoes, on average, do female teens have? To find out, an AP Statistics class selected an SRS of $20$female students from their school. Then they recorded the number of pairs of shoes that each student reported having. Here are the data:

Short answer

The solution is$\overline{x}=30.35$

Step-by-step solution

Step 1. Given information

Here are the data:

Step 2. Calculation

Formula used:

$\overline{x}=\frac{\sum _{}x}{n}$

$$\begin{gathered} \overline{x}=\frac{50+26+26+31+57+19+24+22+23+38+13+50+13+34+23+30+49+13+15+51}{20} \\ =\frac{607}{20} \\ =30.35 \end{gathered}$$