Mathematics, 24.10.2019 17:43, ashhleyjohnson
In a city with three high schools, all the ninth graders took a standardized test, with these results: high scool mean score test number of ninth gradeglenwood 79 285central city 94 336lincoln high 72 191the city's pr manager, who never took statistics, claimed the mean score of all ninth graders in the city was 81.7 . of course, that is incorrect. what is the mean score for all ninth graders in the city? use excel. round your answer to one decimal place.
Answers: 2
Mathematics, 21.06.2019 18:30, edwinadidas9938
The border line of the linear inequality 4x + 7y < 5 is dotted true or false?
Answers: 2
Mathematics, 21.06.2019 21:50, amakayla57
What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality
Answers: 3
In a city with three high schools, all the ninth graders took a standardized test, with these result...
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