summary 6&7.pdf - STAT 200 Exploratory Data Analysis(Chapters 6 and 7 Summarizing data and relationships Motivating example(continued The admissions

summary 6&7.pdf - STAT 200 Exploratory Data...

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Eugenia Yu, UBC Department of Statistics STAT 200 Exploratory Data Analysis (Chapters 6 and 7) Summarizing data and relationships Motivating example (continued) The admissions office of a university is interested in studying the academic performance of students who have been admitted to the university for the upcoming academic year. Data that are available include the students’ Grade 12 English and Math grades, university language placement test scores, age at admission, gender, faculty applied to, origin of application (domestic versus international). Exploring relationships between two quantitative variables (Chapter 6) Scatterplots Placement test score vs. English grade Math grades vs. English grade English grade vs. Age at admission Is there a positive or negative or no pattern? Is the pattern linear or non-linear? How strong is the pattern? Are the
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