Q.1 - The Practice of Statistics for AP

Question

Got shoes? How many pairs of shoes, on average, do female teens have? To find out, an AP Statistics class conducted a survey. They 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:

Step-by-Step Solution

Answer

The value of the Mean, $\overline{x}=30.35$.

Step 1: Given Information

Data:

Step 2: Explanation

The mean (or average) is the sum of all values divided by the number of values:

$$\begin{gathered} \overline{x}=\frac{50+26+\dots +15+51}{20} \\ =30.35 \end{gathered}$$