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[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 = 45, SS = 2160) differ from the average YouTube user on number of minutes spent using YouTube per session. α = .05. s2 =

[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 = 45, SS = 2160) differ from the average YouTube user on number of minutes spent using YouTube per session. α = .05. The correct APA format for the result would be

[example continued…] Alice’s  Test                                                 Andy’s Test   Alice’s Score: 92                                       Andy’s Score: 91 Class Average: 87                                   Class Average: 85 Standard Deviation: 2                          Standard Deviation: 2   According to their z scores, who’s score was more impressive?

What is this group of muscles called? Name each muscle and provide their main actions? 

[Example continued…] The personality trait of “Conscientiousness” (someone who is organized, responsible, and can control their impulses) has μ = 100 and σ = 7. Test whether ARC students (n = 49, M = 104) differ on Conscientiousness. α = .05. Do ARC students differ on Conscientiousness?

[example continued…] Alice’s  Test                                                 Andy’s Test   Alice’s Score: 92                                       Andy’s Score: 91 Class Average: 87                                   Class Average: 85 Standard Deviation: 2                          Standard Deviation: 2   Convert Alice’s score into a score on Andy’s test: 

[example continued…] For the following frequency table: X     f 5     5 4     4 3     6 2     10 1     5 What is the relative frequency (proportion) of the score X = 2? 

[example continued…] If the following scores are population data, [10,10,10,3,8,6,9]  the Population Standard Deviation equals

What is the final step to be performed in the following mathematical expression, Σ(X-5)2?

A video game has 3 difficulty levels (easy, medium, hard). What scale of measurement is being used to classify difficulty levels?