Two algebra classes with the same number of students took a final exam.The box-and-whisker plots below (sometimes called boxplots) summarize the test scores for each class.Use the box-and-whisker plots to answer the questions.Class AClass B++D955560657075808590Test score(a) Which class had the highest test score?'Choose one'(b) Which class had test scores with a larger interquartilerange (IQR)?"Choose one'(c) Which class had a higher median test score?'Choose one'(d) A score above 70 is considered passing. Which class had'Choose one'more passing scores?

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Answered: (a) Which class had the highest test…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 score on test Number of ninth graders Glenwood 76 272 Central City 93 325 Lincoln High 73 180 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was 80.7 . 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 =
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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 Test Score Number of ninth graders (Frequency) Glenwood 81 284 Central 95 323 Lincoln 69 154 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, 95, and 69, which is 81.7. 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 =
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(a) Which class had the highest test score? (b) Which class had test scores with a larger interquartile range (IQR)? (c) Which class had a higher median test score?