A researcher selects a random sample of 200 students to determine whether there is a relationship between the number of days a student is absent and the student's grade point average. The
correlation coefficient, , of the data is -0.765. On the basis of the correlation coefficient alone, can the
orcher conclude that an increase in the number of days a student is absent causes the student's
grades to drod?
Yes, bet the students in the samples were randomly selected,
Yen kennis very ha 10-1,
to treating a segurtive,
No, tocne other factors may have influenced the student grades to drop?