In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Mean score on tes

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In A City With Three High Schools All The Ninth Graders Took A Standardized Test With These Results Mean Score On Tes 1 (28.99 KiB) Viewed 18 times

In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Mean score on test Number of ninth graders High School Glenwood 80 90 69 Submit Question Central City Lincoln High The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was 79.7. Of course, that is incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place. mean of all ninth grader's scores Question Help: Message instructor 278 331 160 ✔