Answers to 7.1 one-sample t-test

1. Do the students in our dataset have a higher Writing score than than the passing score? (M = 70)?

   • Should you use a one-tailed or two-tailed hypothesis? (answer = one-tailed)

   • Which statistic should you use based on your assumptions? (answer = Wilcoxon rank one sample t-test)

   • Do the students in our dataset have a higher Writing score than than the passing score? (answer = yes)

2. Do the students in our dataset have the same national average height of college students (M = 68 inches)?

   • Should you use a one-tailed or two-tailed hypothesis? (answer = two-tailed)

   • Which statistic should you use based on your assumptions? (answer = student one sample t-test)

   • Do the students in our dataset have the same national average height of college students)? (answer = no)