Dr. Harmon expected that her neurotic patients would come ...

[sammy]

Dr. Harmon expected that her neurotic patients would come significantly earlier to all scheduled appointments compared to other patients, and planned to run a one-tailed test to see if their arrival times were much earlier. Unfortunately, she found the opposite result: the neurotic patients came to appointments later than other patients. What can Dr. Harmon conclude from her one-tailed test?
 
  a. Neurotic patients came to appointments significantly later than other patients.
  b. Neurotic patients came to appointments significantly earlier than other patients.
  c. Non-neurotic patients came to appointments significantly earlier than neurotic patients.
  d. Neurotic patients did not come to appointments significantly earlier than other patients.

Question 2

A researcher was interested in seeing if males or females in large lecture classes fell asleep more during in-class videos. The null hypothesis of this study is
 
  a. males will fall asleep more than females.
  b. females will fall asleep more than males.
  c. males and females fall asleep at the same rate.
  d. More information is needed.

[joewallace]

Answer to Question 1

D

Answer to Question 2

C