Approximately 1.65 million high school students take the Scholastic Aptitude Test (SAT) each year, and nearly 80% of the college and universities without open admissions policies use SAT scores in making admission decisions. The current version of the SAT includes three parts: reading comprehension, mathematics, and writing. A perfect combined score for all three parts is 2400. A sample of SAT scores for the combined three-part SAT are as follows:

a. Show a frequency distribution and histogram. Begin with the first bin starting at 800, and use a bin width of 200.
b. Comment on the shape of the distribution.
c. What other observations can be made about the SAT scores based on the tabular and graphical summaries?

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1525 2135 1560 1880 1680 1560 1355 1280 1150 1420 1440 940 1645 1060 1485 1755 1260 1390 1780 1585 1990 1375 1730 1175 1665 1275 1650 1590 1475 1490