A psychologist is conducting a correlational study to investigate whether there is an association between the number of hours of sleep a student gets the night before an exam and their test score.
Which of the following statements represents the null hypothesis for this study?
There will be a significant positive relationship between the number of hours of sleep a student gets and their test score.
There will not be a significant difference in the test scores of students who get more than 8 hours of sleep compared to those who get 8 hours or less.
There will not be a significant relationship between the number of hours of sleep a student gets and their test score.
There will be a significant difference in the test scores of students who get more than 8 hours of sleep compared to those who get 8 hours or less.