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A data set is given below. (a) Draw a scatter diagram. Comment.on the type of relation that appears to exist between x and y. (b) Given that x = 3.5000, s, = 2.5884, y = 4.3167, s, = 1.9467, and r= -0.9546, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 5 6 y 6.0 6.7 5.4 3.1 2.2 2.5 (a) Choose the correct graph below, OA. OB. Oc. OD. A Ay Ay 0- There appears to be V relationship. (b) ý =x+ (O (Round to three decimal places as needed.) (c) Choose the correct graph below. O A OB. Oc. OD.

A data set is given below. (a) Draw a scatter diagram. Comment.on the type of relation that appears to exist between x and y. (b) Given that x = 3.5000, s, = 2.5884, y = 4.3167, s, = 1.9467, and r= -0.9546, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 5 6 y 6.0 6.7 5.4 3.1 2.2 2.5 (a) Choose the correct graph below, OA. OB. Oc. OD. A Ay Ay 0- There appears to be V relationship. (b) ý =x+ (O (Round to three decimal places as needed.) (c) Choose the correct graph below. O A OB. Oc. OD.

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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A data set is given below. (a) Draw a scatter diagram. Comment.on the type of relation that appears to exist between x and y. (b) Given that x 3.5000, s, = 2.5884, y = 4.3167, s, = 1.9467, and r= -0.9546, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter djagram drawn in part (a). 1. 6 6.0 6.7 5.4 3.1 2.2 2.5 5 6 y (a) Choose the correct graph below. O A OB. Oc. OD. Ay 0- There appears to be V relationship. (b) ý =x+ (O (Round to three decimal places as needed.) (c) Choose the correct graph below. O A OB. Oc. OD.
Transcribed Image Text:A data set is given below. (a) Draw a scatter diagram. Comment.on the type of relation that appears to exist between x and y. (b) Given that x 3.5000, s, = 2.5884, y = 4.3167, s, = 1.9467, and r= -0.9546, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter djagram drawn in part (a). 1. 6 6.0 6.7 5.4 3.1 2.2 2.5 5 6 y (a) Choose the correct graph below. O A OB. Oc. OD. Ay 0- There appears to be V relationship. (b) ý =x+ (O (Round to three decimal places as needed.) (c) Choose the correct graph below. O A OB. Oc. OD.
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