Investigators wish to study the question,
“Do blondes have more fun?”
a. What is the null hypothesis in this
question?
b. What would be a Type I error in this case?
c. What would be a Type II error in this case?
d. If one investigator uses a .05 level of
signifi cance in investigating this question
and another investigator uses a .001
level of signifi cance, which would be
more likely to make a Type I error?
e. If one investigator uses a .05 level of
signifi cance in investigating this question and another
investigator uses a .001
level of signifi cance, which would be
more likely to make a Type II error?
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