Answers to 10.1 correlation

1. Are there significant correlations among the four tests (English, reading, math, writing)?

   • Do you meet the assumption of normality for all four tests? (answer = yes for all but maybe not writing)

   • Do you meet the assumption of linearity for all four tests? (answer = yes)

   • Are the four tests significantly correlated among each other? (answer = yes)

   • Round your answers to two decimal places:

     • What is the correlation between reading and math? (answer = .52)

     • What is the correlation between writing and reading? (answer = .11)

     • What is the correlation between writing and English? (answer = .37)