3) Which of the following is correct?
A) In a one-tailed test the direction of the difference between groups is predicted
B) In a one-tailed test the direction of the difference between groups is not predicted
C) In a one-tailed test the alternative hypothesis does not state the predicted direction of difference between groups
D) In a one-tailed test the null hypothesis predicts that there will be no difference between groups
Correct Answer:
Verified
Q1: 1) Usually a researcher would prefer a
Q2: 2) Which of these is a null
Q4: 4) In a normal distribution a z
Q5: 5) "Girls will have higher math scores
Q6: 6) A researcher using a 1% rather
Q7: In a study which compares reaction times
Q8: In a study which compares reaction times
Q9: 9) Suppose a friend said they could
Q10: 10) A researcher wishes to find out
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