In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean

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In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean

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In A City With Three High Schools All The Ninth Graders Took A Standardized Test With These Results High School Mean 1
In A City With Three High Schools All The Ninth Graders Took A Standardized Test With These Results High School Mean 1 (31.93 KiB) Viewed 21 times
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: High School Mean Test Score Number of ninth graders (Frequency) Glenwood 81 Central 90 Lincoln 70 268 306 149 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 81, 90, and 70, which is 80.3. 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 =
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