As a general rule, researchers tend to use ____ level of ...

[tichca]

As a general rule, researchers tend to use ____ level of significance.
 
  A. 99
  B. 95
  C. 50
  D. none of the above

Question 2

Which of the following statement is in the form of a null hypothesis?
 
  A. The child has a learning disability.
  B. There is a correlation between smoking and lung function.
  C. There is no difference between males and females on the variable quality of life.
  D. There is a positive relationship between grades and time spent studying.

[Kimmy]

Answer to Question 1

B

Answer to Question 2

C