Question

Due Tue 12/10/2019 11.59 pm Shaw introesatars in a city with three high schools, all the ninth graders took a Standardized Test, with these resuits High School Mean score on test Number of ninth graders Glenwood 83 263 Central City 94 348 Lincoln High 72 190 The city's PR manager, wtio never took statistks, claimed the mean score of all ninth graders in the chy was 83.of course, that is incorrect What is the mean score for all ninth graders in the city? Round to one decimal place 1 mean of all ninth grader's scores BOx 1: Enter your answer as an integer or decimal number. Examples: 3,-4, S.5172 Enter DNE for Does Not Exist, oo for Infinity Points poisble: 2 This is atempt 1 of 3 Eot thiguionao fonum

Answer 1

I la meam of all ninth graden's scoren 0244 + २५ +33 3- Eceto wtlle ५. 16 2.5 hot & = 8 Ft 21 - 26 3 3 18, 20 = 490 | S, Om car - 8221. 219 - 224,0 : 27