Sigma Notation and Calculating the Arithmetic Mean · Exercise 2

A group of children are measured to determine the average height of the group. The results are in below. What is the mean height of the group to the nearest hundredth of an inch?

$$\begin{array}{cc}\text{Child}& \text{Height in inches}\\ \text{Adam}& \text{45.21}\\ \text{Betina}& \text{39.45}\\ \text{Chen}& \text{43.78}\\ \text{Donna}& \text{48.76}\\ \text{Edhas}& \text{37.39}\\ \text{Fran}& \text{39.90}\\ \text{George}& \text{45.56}\\ \text{Heather}& \text{46.24}\end{array}$$

OpenStax, Introductory Business Statistics 2e · §2.4 Sigma Notation and Calculating the Arithmetic Mean · Exercise 2