Suppose that your statistics professor returned your first midterm exam with only a z score written on it. She also told you that a histogram of the scores was approximately normal. How would you...

Suppose that your statistics professor returned your first midterm exam with only a z score written on it. She also told you that a histogram of the scores was approximately normal. How would you interpret each of the following z scores?

(a)

2.2

My score was 2.2 standard deviations



.



of students did better than I did.

(b)

0.4

My score was 0.4 standard deviations



. I was easily in the



of the scores.

(c)

1.8

My score was 1.8 standard deviations



. I was a little under the



percentile on this exam.

(d)

1.0

My score was 1 standard deviation



. I was around the



percentile on this exam.

(e)

0

My score was



the mean and



the median on this exam.