Line Graphs
Learning Objective
I can create a line graph to visually represent the relationship between two quantitative variables, and interpret the graph to describe the correlation between the variables.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
View questions preview
1. Explain what a correlation coefficient measures and what the range of possible values for 'r' is. What does it mean if r = 0?
2. Describe the difference between a positive correlation and a negative correlation, providing a real-world example for each.
3. Imagine you've collected data on the number of hours students study per week and their exam scores. Sketch a scatter plot that would represent a strong positive correlation between these two variables.
...and 4 more questions
Educational Video
Introduction to Correlation (Statistics)
Cody Baldwin