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In R please provide the code and explanation for the following: * the first three parts were previously answered *      iv. Create 4 different data frames, one for the data corresponding to each of the 4 factors. How many observations are there for each diet?    v. Check the normality assumption for each subset by creating qq plots. Make sure each plot has an appropriate title.    vi. What is the sample variance for each diet? Do you think that the assumption of common variance holds? Why or why not? How could you formally test

In R please provide the code and explanation for the following: * the first three parts were previously answered *      iv. Create 4 different data frames, one for the data corresponding to each of the 4 factors. How many observations are there for each diet?    v. Check the normality assumption for each subset by creating qq plots. Make sure each plot has an appropriate title.    vi. What is the sample variance for each diet? Do you think that the assumption of common variance holds? Why or why not? How could you formally test

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In R please provide the code and explanation for the following:

* the first three parts were previously answered *

 

   iv. Create 4 different data frames, one for the data corresponding to each of the 4
factors. How many observations are there for each diet?
   v. Check the normality assumption for each subset by creating qq plots. Make
sure each plot has an appropriate title.
   vi. What is the sample variance for each diet? Do you think that the assumption of
common variance holds? Why or why not? How could you formally test this?

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