Line Graphs
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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.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Explain what a correlation coefficient measures and what the range of possible values for 'r' is. What does it mean if r = 0?
Describe the difference between a positive correlation and a negative correlation, providing a real-world example for each.
Part 3 of 3
Exit ticket
Quick comprehension check
“The following data represents the number of hours studied and the exam score for five students: (2, 70), (4, 80), (6, 90), (8, 95), (10, 100). Create a line graph of this data. Describe the correlation between hours studied and exam score. The following data represents the number of ice cream cones sold and the daily high temperature (°C) for one week: (25, 10), (30, 15), (32, 20), (35, 25), (40, 30), (42, 35), (45, 40). Create a line graph of this data. Describe the correlation between temperature and ice cream sales.”
Sample answer included in the free materials
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