Question: - . . th Achievement Test Scores The data shown represent the scores on a national achievement test for a group of 10 -grade students.

- . . th Achievement Test Scores The data shown represent the scores on a national achievement test for a group of 10 -grade students. Score Frequency 1965-2175 4 2175-2385 11 2385-2595 19 2595-2805 22 2805-3015 15 3015-3225 7 Send data to Excel (a) Draw the percentile graph using class boundaries for the x-axis and the percentages for the y-axis. Round to the nearest percent. Cumulative percentages 110 - 100 90 80

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