kailiesoto52
20.11.2019 •
Mathematics
Avehicle quality survey asked new owners a variety of questions about their recently purchased automobile (jd. power and associates, march 2012). one question asked for the owner's rating of the vehicle using categorical responses of average, outstanding, and exceptional. another question asked for the owner's education level with the categorical responses some high school, high school graduate, some college, and college graduate. assume the sample data below are for 500 owners who had recently purchased an automobile. a. use a .05 level of significance and a test of independence to determine if a new owner's vehicle quality rating is independent of the owner's education. what is the p-value and what is your conclusion? b. use the overall percentage of average, outstanding, and exceptional ratings to comment on how new owners rate the quality of their recently purchased automobiles.
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Ответ:
SO, because these angles are equal in size all we have to do is divide 180 by 3, which gives us
60!
I hope this helps!