This table shows the number of students in each grade at a high school. a. What percent
Chapter 10, Problem 7(choose chapter or problem)
This table shows the number of students in each grade at a high school. a. What percent of the school is represented in each grade? b. At semester break, the student population is counted again. The ninth grade has increased by 2%, the tenth grade has decreased by 1.5%, the eleventh grade has increased by 2.5%, and the twelfth grade has decreased by 2%. How many students are in each grade at the beginning of the second semester? By what percent has the total school population changed? What is the actual change in the number of students? c. Make a relative frequency circle graph for the situation at the beginning of the year and another circle graph for the situation at the beginning of the second semester. How has the distribution of students changed?
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