1. Mr. Anthony, a senior high school teacher, wants to determine whether the length of teachngexperience is associated with the performance rating given by the school principal, wteh nbased on a scale of 1 to 5, with 1 being the lowest and 5 the highest. He interviewed seveitrandomly selected senior high school teachers and the data were tabulated as follows.%TeacherLength of TeachingExperience (Years)Performance Rating1.34.0024.083104.5042.3.80254.90164.756.204.90a. Compute the correlation coefficient of the two variables.b.Find the coefficient of determination. Interpret the result.

Given: Length of teaching experience, X Performance rating, Y 3 4 6 4.08 10 4.5 2 3.8…

Answered: a. Compute the correlation coefficient…

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 cost of a leading liquid laundry detergent in different sizes is given below Size (ounces) Cost ($) 16 3.99 32 4.99 64 5.99 200 10.99 A. Write a brief description of the association.B. What is the strength of the relationship between the size of the laundry detergent and the cost? Use the correlation coefficient in your explanation.C. State the model for the size of the laundry detergent and the cost.D. Interpret the slope of your model in context.E. Interpret the intercept of your model in context. F. In the context of the problem is it better to have a positive or negative residual. Explain. G. Use the linear model to predict the cost of 300 ounces of laundry detergent.

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a. Compute the correlation coefficient of the two variables. Find the coefficient of determination. Interpret the result.