Ask Question
10 August, 02:30

In a city with three high schools, all of the ninth graders took a standardized test, with these results Glenwood 80 271 Central city 91 306 Lincoln High 67 186 The city's Pr Manager, who never took statistics, claimed the mean score of all ninth graders in the city was 79.3. Of course, that is incorrect. What is the mean score for all ninth graders in the city?

+2
Answers (1)
  1. 10 August, 02:38
    0
    166.8.

    Step-by-step explanation:

    80 + 271 + 91 + 306 + 67 + 186

    = 1001

    Mean score = 1001 / 6

    = 166.8.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “In a city with three high schools, all of the ninth graders took a standardized test, with these results Glenwood 80 271 Central city 91 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers