The z distribution and statistics test scores: Imagine that your statistics professor lost all records lost all records of students' raw scores on a recent test. However, she did record students' z scores for the test, as well as the class average of 41 out of 50points and the standard deviation of points. She informs you that your z score was 1.10.
- What was your percentile score on this test?
- Using what you know about z scores and percentiles, how did you do on this test?
- What was your original test score?