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The correlation coefficient between class attendance and number of problems missed on an exam is –0.77. Which statement regarding this finding is correct?

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Answer: If a student attend class regularly then he is more likely to do well on the exam than someone who does not attend class regularly.

Explanation:

Given: The correlation coefficient between class attendance and number of problems missed on an exam is –0.77.

When correlation coefficient is negative it means negatively correlation.

i.e. If independent variable increases dependent variable decreases or vice-versa

Also, its absolute value is larger than 0.7 it means it indicates a strong correlation.

  • Variables

Independent: class attendance

Dependent: problems missed on an exam

So by correlation coefficient , correct interpretation would be:

Student with high class attendance is less likely to miss problem on an exam.

i.e. If a student attend class regularly then he is more likely to do well on the exam than someone who does not attend class regularly.

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User Luwojtaszek
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