Math Problem Statement
McKenzie found the correlation coefficient on a set of data to be –0.90. Which term best describes the correlation?
Group of answer choices
Weak Positive
Weak Negative
Strong Negative
Strong Positive
Solution
The term that best describes a correlation coefficient of –0.90 is Strong Negative.
A correlation coefficient near -1 indicates a strong negative relationship, meaning that as one variable increases, the other variable tends to decrease in a strongly predictable way.
Would you like more details on how correlation works or have any other questions?
Here are 5 related questions to explore:
- What is the range of values for the correlation coefficient, and what do they indicate?
- How do you interpret a correlation coefficient of 0?
- What factors can affect the strength of a correlation?
- Can a correlation be perfectly negative, and what would that mean?
- How is correlation different from causation?
Tip: A correlation of -0.90 indicates a very strong negative relationship, but it doesn’t imply causation between the variables.
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Math Problem Analysis
Mathematical Concepts
Statistics
Correlation
Formulas
Pearson correlation coefficient formula
Theorems
Correlation coefficient properties
Suitable Grade Level
Grades 10-12
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