A researcher conducted an experiment in which he compared two methods of teaching. If there were 10 people in Group 1 and 12 in Group 2, and a two-tailed t-test for two independent groups at alpha 0.05 was conducted, what t-value was needed to reject H0?
A) 2.093
B) 2.086
C) 2.080
D) 2.074
E) None of these is correct.
Correct Answer:
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Q1: When a researcher says after a statistical
Q3: A researcher reported that there were two
Q4: Select the false statement below.
A) If a
Q5: Identify the false statement about two-group comparisons
Q6: Select the false statement below concerning chi-square
Q7: When a ANOVA is found statistically significant,
Q8: The key difference of inferential statistics from
Q9: Type I error occurs when:
A) a false
Q10: Type II error occurs when:
A) a false
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