Resources For Teachers For Tutors For Students & Parents Pricing
Algebra 1 Data and statistics

Correlation coefficient

ACCOUNT REQUIRED

Unlock all 20 questions & worked solutions

You're viewing a free preview. Create an account to access the complete question set, step-by-step solutions, and progress tracking.

All Questions

Access the full question set for every topic.

Worked Solutions

Step-by-step explanations for every answer.

Track Progress

Mark questions right or wrong and monitor your growth.

It's Free

No credit card required - sign up in under a minute.

Question 1
168043
A line of best fit is calculated for a scatter plot showing the relationship between the number of hours students study per week and their exam scores. A graphing calculator returns a correlation coefficient of \(r = 0.91\).
Interpret this value. What does it tell you about the relationship between study hours and exam scores?
Strong positive — as study hours increase, exam scores tend to increase consistently

📚 Want More Questions?

There are 19 more questions available. Create your free account to access the complete question set with detailed solutions.