[Example continued…] The personality trait of “Conscientiousness” (someone who is organized, responsible, and can control their impulses) has μ = 110 and σ = 10. Test whether ARC students (n = 25, M = 117) differ on Conscientiousness. α = .05. What is the correct result based on the data?
Read Details[example continued…] Does training in meditation make a difference for student success? 10 students received training (M1= 88, SS1= 240) and 5 students did not (M2= 82, SS2= 150). Test using α = .05 The degrees of freedom (total) (df) =
Read Details[example continued…] Scenario: 100 people were asked, “What is your favorite type of TV show?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. drama comedy action romance fo = 20 fo = 30 fo =40 fo = 10 fe = fe = fe = fe = Chi Square test statistic = ______
Read Details[Example continued…] The average YouTube user spends 40 minutes per session, using YouTube (μ = 40), and σ is unknown. Test whether ARC students who are YouTube users (n = 16, M = 38, SS = 960) differ from the average YouTube user on number of minutes spent using YouTube per session. α = .05. t = (test statistic)
Read Details[example continued…] Below is data for two variables, X and Y. Answer the questions that follow. X Y X-MX Y-MY (X-MX)2 (Y-MY)2 (X-MX)(Y-MY) 3 2 -2 -1 4 1 2 4 2 -1 -1 1 1 ___ 6 4 1 ___ 1 1 1 7 4 2 1 ___ 1 2 What is the missing value under the Y-MY column?
Read Details[example continued…] Is there a difference among the 3 treatments in the table below? Test using α = .05 Treatment A Treatment B Treatment C 2 3 7 ∑X2 = 461 2 3 7 G = 75 3 4 8 N = 15 3 5 8 k = 3 5 5 10 SS1 = 6 SS2 = 4 SS3 = 6 The correct APA format for the result would include
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