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Hypothesis Statement
Null hypothesis: the means of D1, D2, NC, and PC are equal
Alternative hypothesis: at least one of the mean is different
Solution
The study was conducted at 𝛼=0.05 (5% level of significance)
Procedure
Open R studio software
To the extreme left, click import dataset
Select from “text base”
Select where your data file is located and click “ok”
Click “ok” for heading
Click Import
R program code
#Reading in data in R
DATA <- read.csv("C:/Users/Myles/Downloads/Desktop/DATA.csv", header=FALSE)
#Viewing data file
View(DATA)
wg_aov<- aov(PC~D1*D2*NC,data =DATA)
wg_aov
#Conducting ANOVA model
summary(aov(PC~D1*D2*NC,data =DATA))
#Returning the variable
R OUTPUT
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DATA <- read.csv("C:/Users/Myles/Downloads/Desktop/DATA.csv")
> View(DATA)
> #Conducting ANOVA model
> summary(aov(PC~D1*D2*NC,data =DATA))
Df Sum Sq Mean Sq F value Pr(>F)
D1 1 33.0 33.01 0.145 0.710
D2 1 11.1 11.10 0.049 0.829
D1:D2 1 205.9 205.88 0.906 0.362
Residuals 11 2499.3 227.21
>
>
Appendix

Unformatted Attachment Preview

Hypothesis Statement Null hypothesis: the means of D1, D2, NC, and PC are equal Alternative hypothesis: at least one of the mean is different Solution The study was conducted at 𝛼=0.05 (5% level of significance) Procedure Open R studio software To the extreme left, click import dataset Select from “text base” Select where your data file is located and click “ok” Click “ok” for heading Click Import R program code #Reading in data in R DATA <- read.csv("C:/Users/Myles/Downloads/Desktop/DATA.csv", header=FALSE) #Viewing data file View(DATA) wg_aov<- aov(PC~D1*D2*NC,data =DATA) wg_aov #Conducting ANOVA model summary(aov(PC~D1*D2*NC,data =DATA)) #Returning the variable R OUTPUT DATA <- read.csv("C:/Users/Myles/Downloads/Desktop/DATA.csv") > View(DATA) > #Conducting ANOVA model > summary(aov(PC~D1*D2*NC,data =DATA)) Df Sum Sq Mean Sq F value Pr(>F) D1 1 33.0 33.01 0.145 0.710 D2 1 11.1 11.10 0.049 0.829 D1:D2 1 205.9 205.88 0.906 0.362 Residuals 11 2499.3 227.21 > > Appendix Name: Description: ...
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