IUB CJUS-K 300 - Correlation (2 pages)

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Correlation



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Correlation

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Lecture on Correlation, relationships, how to read graphs, slope


Lecture number:
20
Pages:
2
Type:
Lecture Note
School:
Indiana University, Bloomington
Course:
Cjus-K 300 - Techniques of Data Analysis
Edition:
1

Unformatted text preview:

CJUS K300 1nd Edition Lecture 20 Outline of Last Lecture I Exam 4 Outline of Current Lecture II Bi Variate Regression Correlation Current Lecture You read graphs as we read the English language from left to right So when we look at the graph if it starts low on the left side and rises to the right then there is a positive relationship between the variables If it looks like it is going down from left to right then the variables have a negative relationship Positive Relationship Non Linear Relationship These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute No Relationship Line of Best Fit or Least Squares Regression Line Population y x Sample y a bx Slope x y x 2 2 x xy n b



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