An educational researcher interested in the consistency of school absenteeism
An educational researcher interested in the consistency of school absenteeism over time studied a sample of 8 high school students for whom complete school records were available. The researcher counted the number of days each student had missed while in the sixth grade and then in the tenth grade. He obtained the following results:
What is the strength and direction of the relationship between the number of days these students were absent from elementary school (6th grade) and how many days they missed when they reached high school (10th grade)? Can the correlation be generalized to a larger population of student?
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