Example 3

Caitlyn thinks that there may be a relationship between class size and student performance on standardized tests. She recorded the number of students in 20 classes, along with the average test score in each class, in the following table. Is there a linear relationship between class size and average test score? Use the correlation coefficient, [i]r[/i], to explain your answer.

 

Walch Education

 
Tipo di risorsa
Attività
Tag
coefficient  correlation-coefficient  data  relationship  table  table-of-values 
Gruppo di riferimento (età)
14 – 18
Lingua
English
 
 
 
© 2025 International GeoGebra Institute