Given the bivariate data:37y23355a. Draw a scatter diagram for the data.b. Find n, Σx, Σy, Σ, (Σx) , and Σxy.C. Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line.d. Draw the least-squares line on the scatter diagram from part a.e. Is the point (I, y) on the least-squares line?f. Use the equation of the least-squares line to predict the value of y when x = 7.3.g. Find, to the nearest hundredth, the linear correlation coefficient.

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Answered: Given the bivariate data: 4 5 6. 7 y 2…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Complete parts (a) through (h) for the data below. 30 40 50 60 70 y 90 87 82 74 Question Help v 62 (c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. O A. OB. Ay 80- OC. Ay 80- OD. Av 20- 20 20 80 100 (d) By hand, determine the least-squares regression line. /Dound to throo donimal lncon an nondod Click to select your answer(s). M acer 9 esc # 2$ 6. 4 3 e W k h
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Given the bivariate data: 4 5 6. 7 y 2 3 3 5 5 a. Draw a scatter diagram for the data. b. Find n, Σx, Σy, Σ , (Σx), and Σr. C. Find a, the slope of the least-squares line, and b, the y-intercept of the least-squares line.