Measures of the Center of the Data · Exercise 9

gives the percentage of children under age five have been diagnosed with a medical condition. What is the best estimate for the mean percentage of children with the condition?

$$\begin{array}{cc}\text{Percentage of Children with the Condition}& \text{Number of Countries}\\ \text{16–21.45}& \text{23}\\ \text{21.45–26.9}& \text{4}\\ \text{26.9–32.35}& \text{9}\\ \text{32.35–37.8}& \text{7}\\ \text{37.8–43.25}& \text{6}\\ \text{43.25–48.7}& \text{1}\end{array}$$

OpenStax, Statistics · §2.5 Measures of the Center of the Data · Exercise 9