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4 cards from this section. Quick, good the night before a test.
What is a correlation coefficient?
Think about the numerical representation.
Define positive correlation.
Both variables are going in the same direction.
What does a correlation coefficient of -0.85 indicate?
Focus on the negative sign.
If two variables are positively correlated, which statement is correct?
Consider the concept of variables moving together.
Research a study that examines a potential correlation between screen time and students' academic performance. Analyze the findings and discuss the limitations of correlational research in the study.
Look at outside influences that might affect results.
Design an observational study to assess the correlation between sleep hours and test scores among high school students. Identify independent and dependent variables.
Design for accurate data collection methods.
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