Real-life ProblemApply the concept of Regression Analysis, present yourANSWER with COMPLETE SOLUTION to this problem.The following are the number of hours that 11students spent studying for a midterm examination and thegrades they obtained in Mathematics.a. Construct a scatter plot diagram.For thleb. Describe the association or correlation between thevariables.Number of Hours Studied (x)Midterm Grades660117920901985209210801282865158518941070

The provided information is x y xy x2 y2 6 60 360 36 3600 11 79 869 121 6241 20 90 1800…

Answered: a. Construct a scatter plot diagram. tb…

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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A researcher measures the relationship between education (in years) and investment gains (in thousands of dollars). Answer the following questions based on the results provided. SP = 16.25. a. Create a scatter plot of the data & Calculate r and r2b. Report results in APA style & What do results mean? Education Investment Gains 14 8 12 11 9 10 18 14
Jim and Larry run a soup stand. The data below represents the sales of soup that they had on 8 randomly selected days, along with the high temperature on that day. a) Create a scatter diagram for this data set and comment on whether there is a positive or negative relationship between these variables.b) Calculate the correlation coefficient between temperature and sales.c) Does a linear relationship exist between these variables? Explain to me why or why not this is the case.d) Using excel, calculate the least squares regression equation for this data set. e) Using your equation, predict the soup sales on a day where the temperature is 29 degrees.f) Interpret the slope of this equation.g) Can we use this data set and regression equation to predict the sales on a day when the average temperature is 102 degrees? Why or why not?h) What is the R-squared for this equation? How do you interpret that R-squared?
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a. Construct a scatter plot diagram. tb b. Describe the association or correlation between the variables.