The eleventh assignment of Linear Regression. The assignment is written in Rmarkdown, a smart syntax supported by RStudio helping with formula, plot visualization and plugin codes running.
most recommend: click here for html version of assignment, you can see codes as well as plots.
You may also find the PDF Version of this assignment from github. Or if you can cross the fire wall, just see below:
15.8
a
This study is mixed exeprimental and observational.
A randomization of treatments (standard or computer based curriculum) does occur. However, the choice of which school is not randomized.
b
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Experimental factor: Type of curriculum;
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Levels: Standard or computer based.
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observational factor: schools;
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Levels: school no.1, 2 and 3
There are 6 factor-level combinations:
- School1 +standard;
- School 1 +computer based;
- School2 +standard;
- School 2 +computer based;
- School3 +standard;
- School 3 +computer based.
c
Completely randomized design
d
The basic unit is each of the 24-student sections
15.10
a
Mixed exeprimental and observational.
The color of paper is randomized but the nature of parking lots is just observed.
b
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Experimental factor: Color of the paper
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Levels: Blue, green, orange
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observational factor: What parking lot the papers are distributed in;
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Levels: Parking lot a, b, c, d.
There are 12 factor-level combinations:
- Parking lot a+ Blue;
- Parking lot b+ Blue;
- Parking lot c+ Blue;
- Parking lot d+ Blue;
- Parking lot a+ Orange;
- Parking lot b+ Orange;
- Parking lot c+ Orange;
- Parking lot d+ Orange;
- Parking lot a+ Green;
- Parking lot b+ Green;
- Parking lot c+ Green;
- Parking lot d+ Green;
c
Repeated measures design
d
The basic unit is the papers of the same color distributed in each of the parking lots.