Multiple Choice
A researcher reports that her obtained chi square of -17.56 is significant because it exceeds the critical Chi square of -3.841 for an alpha of .05 with 2 degrees of freedom.What mistake has been made?
A) neither critical nor obtained Chi squares can have negative values
B) it is impossible to have only 2 degrees of freedom
C) it is impossible for obtained Chi square to exceed 10
D) a one-tailed test should have been used
Correct Answer:
Verified
Correct Answer:
Verified
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