5. A researcher wishes to determine if the number of hours a person exercises depends on their age.The data for the sample are shown below:AgeHours of Exercise18202426293336 44445153118549.513Age and Hours of Exercise12106.4.152025303540455055AgeA. What is the explanatory variable?B. What is the response variable?C. What is the form, strength and direction of this relationship?D. Calculate the correlation coefficient (r) for the relationship between age and hours of exercise.E. What proportion of variation in hours of exercise is explained by its relationship with age?F. Find the equation of the least squares regression line for this relationship.G. Is it appropriate to use the regression line you found, to predict the average number of hoursexercised for someone who is 35? Explain. If the prediction is appropriate, calculate theaverage number of hours.H. In your own words, explain what is extrapolation?Hours of Exercise

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5. A researcher wishes to determine if the number of hours a person exercises depends on their a The data for the sample are shown below: 18 20 Age Hours of Exercise 24 26 29 33 36 44 44 51 53 11 7 4 9 5 1 2 Age and Hours of Exercise 12 10 15 20 25 30 35 40 45 50 55 Age A. What is the explanatory variable? B. What is the response variable? C. What is the form, strength and direction of this relationship? D. Calculate the correlation coefficient (r) for the relationship between age and hours of exercise. Hours of Exercise 00

5. A researcher wishes to determine if the number of hours a person exercises depends on their a The data for the sample are shown below: 18 20 Age Hours of Exercise 24 26 29 33 36 44 44 51 53 11 7 4 9 5 1 2 Age and Hours of Exercise 12 10 15 20 25 30 35 40 45 50 55 Age A. What is the explanatory variable? B. What is the response variable? C. What is the form, strength and direction of this relationship? D. Calculate the correlation coefficient (r) for the relationship between age and hours of exercise. Hours of Exercise 00

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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