Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw theregression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict thevalue of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and theirscores on that test are shown below.Hours spent studying, x 0Test score, y38Find the regression equation.23 3 4 645 50 49 61 680(a) x = 2 hours(c) x = 15 hours(b)x=4.5 hours(d) x=2.5 hoursy = X +(Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.)

XYX.YX203800245904350150934914794612441666840836=18=311=1039=74

Answered: Find the equation of the regression…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 58 inches. Is the result close to the actual weight of 572 pounds? Use a significance level of 0.05. Chest size (inches) 46 57 53 41 40 40 Weight (pounds) 384 580 542 358 306 320 LOADING... Click the icon to view the critical values of the Pearson correlation coefficient r. What is the regression equation? y=nothing+nothingx (Round to one decimal place as needed.)
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