The distribution of Scholastic Assessment Test (SAT) scores for 38 high school seniors who graduated in the top third of their class is as follows:

a. For each class interval, find the size, midpoint, upper and lower limits, the cumulative frequency, the percentage, and the cumulative percentage.
b. To depict the distribution of SAT scores for the 38 students, draw a histogram and a frequency polygon.
c. To depict the cumulative distribution of these SAT scores, draw a cumulative frequency polygon.

Transcribed Image Text:

SAT Scores 750-800 700-740 650-690 600-640 550-590 500-540 450-490 400-440 350-390 f 1 2 3 5 10 8 43 2 N = 38