Psychology students at BYU-Idaho conducted a survey that compared GPA levels and number of absences among students
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Question:
Psychology students at BYU-Idaho conducted a survey that compared GPA levels and number of absences among students in a certain class. The students compiled the following results:
Based on the survey results, what would the forecasted GPA be for a student with 3absences? (Display your answer to two decimal places.) |
What is the r-value (correlation coefficient) for this set of data? (Display your answer to two decimal places. If you get a negative number then put a minus sign before your number.) |
The correlation coefficient (from the previous question)indicatesthat as the number of absences goes DOWN, GPA tends to go: |
The psychology students determined that the magnitude of acorrelation coefficient(whether positive or negative) is considered strongif it is0.70 or more, moderate if it is between 0.40 and 0.69, and weak/noneif it is below 0.40. Based on your analysis, the correlationbetween absences and GPA is: |
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