Week 5 quiz - Week 5 Quiz 4 Please turn this in by Monday...

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Week 5 - Quiz 4 Please turn this in by Monday to the Assignments link . Choose the best answer.  Write the number for the correct answer to each question.  1 A scatter diagram is a chart A) In which the dependent variable is scaled along the vertical axis. B) In which the independent variable is scaled along the horizontal axis. C) That portrays the relationship between two variables. D) All of the above. 2 In correlation analysis A) We consider several independent variables. B) We study the strength of the association between two variables. C) We consider the intercept with the  Y -axis. D) None of the above. 3 The sample coefficient of correlation A) Has the same sign as the slope, i.e.  b . B) Can range from -1.00 up to 1.00 C) Is also called Pearson=s  r . D) All of the above. 4 The coefficient of determination A) Is the square of the coefficient of correlation.
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