The following shows the distribution of final exam scores in a large introductory psychology class. The proportion of the total area under the curve is given for two segments.

(a) Order the scores 45, 60, 70, 72, and 85 from most frequent to least frequent.

(b) What is the percentile of a score of 60?

(c) What proportion of the sample scored below 70?

(d) What proportion scored between 60 and 70?

(e) What proportion scored above 80?

(f) What is the percentile of a score of 80?

Transcribed Image Text:

.30 45 50 55 60 65 70 75 80 85 90 95 Exam scores