The frequency polygon below shows a distribution of test scores.

204 15 Number of people (in thousands) 10 5- 70 71 72 73 74 75 76 77 78 79 80 Test Score Which one of the following is true based on the graph? The percent of scores above any given score is equal to the percent of scores below that score. More people had a score of 75 than any other, and as the deviation from 75 increases or decreases, the scores fall off in a symmetrical manner. More people had a score of 77 than a score of 73. O The graph is based on a sample of approximately 15 thousand people