x 0.1 1.7 2.3 3.5 4.9 5.7 6.87.4 8.59.2 10.9 11.5 12.3 13.2 14.7 y 13.1 12.2 10.9 10 11.27.79.8 8.35.8 3.8 6 4.7 1.1 1.6 2.2 (a) r= %3D b) There is OA. a nonlinear correlation between x and y B. a negative correlation between x and y C. a positive correlation between a and y OD. no correlation between x and y DE. a perfect negative correlation between x and y F. a perfect positive correlation between a and y

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MAA
MATHEMATICAL ASSOCIATION OF AMERICA
webwork / m1401-93-sp21 / chapter_12 /3
Chapter 12: Problem 3
Previous Problem
Problem List
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(1 point) Use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation between the two variables. (Note: Use software, and
don't forget to look at the scatterplot!)
x0.1 1.7 2.3 3.5 4.9 5.76.87.4 8.5 9.2 10.9 11.5 12.3 13.2 14.7
y 13.1 12.2 10.9 10 11.2 7.7 9.8 8.3 5.8 3.8 6 4.7 1.1 1.6 2.2
(a) r =
(b) There is
OA. a nonlinear correlation between x and y
OB. a negative correlation between x and y
OC. a positive correlation between x and y
OD. no correlation between x and y
OE. a perfect negative correlation between x and y
OF. a perfect positive correlation between x and y
ote: You can earn partial credit on this problem.
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Transcribed Image Text:MAA MATHEMATICAL ASSOCIATION OF AMERICA webwork / m1401-93-sp21 / chapter_12 /3 Chapter 12: Problem 3 Previous Problem Problem List Next Problem (1 point) Use a scatterplot and the linear correlation coefficient r to determine whether there is a correlation between the two variables. (Note: Use software, and don't forget to look at the scatterplot!) x0.1 1.7 2.3 3.5 4.9 5.76.87.4 8.5 9.2 10.9 11.5 12.3 13.2 14.7 y 13.1 12.2 10.9 10 11.2 7.7 9.8 8.3 5.8 3.8 6 4.7 1.1 1.6 2.2 (a) r = (b) There is OA. a nonlinear correlation between x and y OB. a negative correlation between x and y OC. a positive correlation between x and y OD. no correlation between x and y OE. a perfect negative correlation between x and y OF. a perfect positive correlation between x and y ote: You can earn partial credit on this problem. Preview My Answers Submit Answers pu have attempted this problem 5 times. pur overall recorded score is 50%. pu have unlimited attempts remaining.
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