Run a regression analysis on the following data set, where y is the final grade in a math class and x is theaverage number of hours the student spent working on math each week.hours/weekGradey4857.8862.2858.2872.2106310791164.41890.21887.2State the regression equation with constants accurate to 2 decimal places.%3DX +What is the predicted value for the final grade when a student spends an average of 11 hours each week onmath?found to 2 decimal places.

X y xi- xbar y- ybar (xi - xbar)2 (xi-xabr)(yi-ybar) 578881010111818…

Answered: Run a regression analysis on the…

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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Run a regression analysis on the following data set, where y is the final grade in a math class and x is the average number of hours the student spent working on math each week. hours/week Grade y 4 56.6 8 64.2 8 61.2 10 72 11 79.4 17 98.8 18 96.2 19 94.6 19 95.6 20 100 State the regression equation with constants accurate to 2 decimal places. = X + %3D What is the predicted value for the final grade when a student spends an average of 9 hours each week on math? Round to 2 decimal places.
Run a regression analysis on the following data set, where y is the final grade in a math class and x is the average number of hours the student spent working on math each week. hours/week Grade y 8. 72.2 8. 58.2 10 60 11 71.4 14 92.6 14 76.6 14 75.6 14 83.6 15 81 20 100 State the regression equation with constants accurate to 2 decimal places. ý = What is the predicted value for the final grade when a student spends an average of 15 hours each week on math? Round to 2 decimal places. Question Help: D Video 1 Video 2 Submit Question
Perform a linear regression analysis on the following data and determine the "a" coefficient (i.e., slope): Y 4.99 22.19 1.96 9.89 2.98 11 9 40.46 4.04 18.93 6.06 25 0.88 0.19 8.02 34.02 6.97 28.03
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Run a regression analysis on the following data set, where y is the final grade in a math class and is the average number of hours the student spent working on math each week. hours/week X 4 5 8 9 11 11 14 15 15 20 Grade y 43.6 63 65.2 70.6 65.4 74.4 81.6 82 97 100 State the regression equation y=mx+b, with constants accurate to two decimal places. What is the predicted value for the final grade when a student spends an average of 13 hours each week on math? Grade = Round to 1 decimal place.
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Run a regression analysis on the following data set, where y is the final grade in a math class and x is the average number of hours the student spent working on math each week. hours/week Grade y 4 51.6 4 39.6 44 50 5 46 7 61.8 8 64.2 10 77 14 82.6 16 93.4 State the regression equation y = m· x + b, with constants accurate to two decimal places. What is the predicted value for the final grade when a student spends an average of 9 hours each week on math? Grade = Round to 1 decimal place. %3D
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