Question 1.Consider the table below:a) Draw a scatter diagram of the data.b) By hand, compute the correlation coefficient. (Use Computationalformula.)c) Based on your calculation in b, determine whether there is a linearrelation between x and y. How do you know?Xy21039576462

Given that, X 2 3 5 6 6 Y 10 9 7 4 2

Answered: Question 1. Consider the table below:…

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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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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Question 1. Consider the table below: a) Draw a scatter diagram of the data. b) By hand, compute the correlation coefficient. (Use Computational formula.) c) Based on your calculation in b, determine whether there is a linear relation between x and y. How do you know? X y 2 10 3 9 5 7 6 4 6 2