Question

a school administrator who was concerned about grade inflation looked over the number of straight - a students from year to year.
straight - a students
year students
2015 62
2016 65
2017 73
2018 70
2019 62
according to the table, what was the rate of change between 2015 and 2016?
students per year

Explanation:

Step1: Identificar los valores

En 2015 hay 62 estudiantes y en 2016 hay 65 estudiantes.

Step2: Aplicar la fórmula de tasa de cambio

La tasa de cambio se calcula como $\frac{\text{Cambio en estudiantes}}{\text{Cambio en años}}=\frac{65 - 62}{2016 - 2015}$.

Step3: Realizar la operación

$\frac{65 - 62}{2016 - 2015}=\frac{3}{1}=3$.

Answer:

3