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?