1) A Pearon's r correlation revealed a significant relationship between time spent outside at age four and creativity in kindergarten, r(16) = .51, p=???, (two-tailed). Answer the following questions based on this result.

a)What is the null hypothesis specific to this scenario?

b) Calculate the coefficient of determination for this scenario.

c) If a journalist made an error in causality when writing an article about these findings, what would they be concluding based on this scenario (one sentence is sufficient)?

d) What is the sample size in this scenario?

e) What is the critical r value (using the table in your textbook)?

f) If the researcher concludes that there is a NOT relationship between time spent outside and creativity but in truth, there IS a relationship, what type of decision did s/he make (Type I error / Type II error, or correct decision).

2) Scenario: A high school teacher wants to examine whether playing sports affects attendance. She finds that the research is contradictory - some research suggests it may improve attendance, as students must attend class to play in their sport, but other research suggests it may result in more missed days, because students stay up late traveling to games and/or miss due to sporting events. (1 pt. each)

a) What is the null hypothesis in this scenario?

b) What is the alternative hypothesis in this scenario?

c) What is the symbolic notation for this alternative hypothesis?

d) Is this one or two tailed?

3) Which type of correlation analysis would you run based on the given variables?

a) Relationship between religiousity (yes / no) and whether someone has a current diagnosis of mental illness (Yes / No).

b) Relationship between class rank and rank in intelligence.

c) Relationship between high school GPA and college GPA