What are the appropriate hypotheses to determine if the distribution of grades would differ for all students like these under these two treatments?
Answer
A
cap h sub 0 : There is no difference in the distribution of grades for all students like these who use a small or large index card. cap h sub A : There is a difference in the distribution of grades for all students like these who use a small or large index card.
B
cap h sub 0 : There is no association between index card size and grade. cap h sub A : There is an association between index card size and grade.
C
cap h sub 0 : There is a difference in the distribution of grades for all students like these who use a small or large index card. cap h sub A : There is no difference in the distribution of grades for all students like these who use a small or large index card.
D
cap h sub 0 : There is an association between index card size card and grade. cap h sub A : There is no association between index card size card and grade.