1. Math
  2. Statistics And Probability
  3. eku knows that on average 87 percent of students with...

Question: eku knows that on average 87 percent of students with...

Question details

EKU knows that on average 8.7 percent of students with a standard deviation of 3.0 will fail an EKU course. The psychology department wanted to know if their summer courses had a similar number of failing students. Dr. Lawson looked at the failing rates for the most recent summer courses (9 courses) and got the following data Use a single-sample z-test to determine the outcome (alpha- 05, two-tailed). Class 1: 11.0 % failed Class 2: 8.4 % failed Class 3: 10.2 % failed Class 4: 9.4 % failed Class 5: 6.8 % failed Class 6: 13.0 % failed Class 7: 6.8 % failed Class 8: 9.8 % failed Class 9:11.9 % failed In the box below, provide the following information: Null Hypothesis in sentence form (1 point): Alternative Hypothesis in sentence form (1 point): Critical Value(s) (2 points) Calculations (4 points): Note: the more detail you provide, the more partial credit that I can give you if you make a mistake. Outcome (determination of significance or not, and what this reflects in everyday language, 2 points)
Solution by an expert tutor
Blurred Solution
This question has been solved
Subscribe to see this solution