3. A study was done on two groups of individuals with poor eyesight. Group 1 was placed on a diet highin keratin. Group 2 was not given any diet instructions. After 1 month, the individuals in both groupswere given a vision test to see if their vision had improved.The results of the 2 groups were compared.maya. What are the experimental units in this study?b. What is the outcome/response variable in this study?с.What are the treatments in this study?

Name: 3. A study was done on two groups of individuals with poor eyesight.
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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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3. A study was done on two groups of individuals with poor eyesight. Group 1 was placed on a diet high
in keratin. Group 2 was not given any diet instructions. After 1 month, the individuals in both groups
were given a vision test to see if their vision had improved.
The results of the 2 groups were compared.
may
a. What are the experimental units in this study?
b. What is the outcome/response variable in this study?
с.
What are the treatments in this study?

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Step 1

Linear Regression:

It is a model with one dependent variable with one independent variable to predict the response variable from the explanatory variables. Also in the model, there is the intercept and the slopes of the explanatory variables.

y=β₀+ β₁x₁ + ε.

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