ANLY500_Q4.docx - ANLY_Q4 Khulan Solongozaya library(readr...

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ANLY_Q4 Khulan Solongozaya library (readr) iris <- read.csv ( "iris_exams.csv" ) str (iris) ## 'data.frame': 300 obs. of 6 variables: ## $ id : chr "S001" "S002" "S003" "S004" ... ## $ Species : chr "setosa" "setosa" "setosa" "setosa" ... ## $ Sepal.Length: num 4.75 5.07 5.24 5.48 4.9 ... ## $ Sepal.Width : num 3.3 3.68 3.44 3.96 2.81 ... ## $ Petal.Length: num 1.44 1.21 1.59 1.53 1.49 ... ## $ Petal.Width : num 0.235 0.111 0.405 0.272 0.345 ... head (iris) ## id Species Sepal.Length Sepal.Width Petal.Length Petal.Width ## 1 S001 setosa 4.746510 3.301532 1.441511 0.2348507 ## 2 S002 setosa 5.072022 3.678133 1.208144 0.1114255 ## 3 S003 setosa 5.241044 3.442049 1.585426 0.4054026 ## 4 S004 setosa 5.475311 3.960215 1.533434 0.2724266 ## 5 S005 setosa 4.900481 2.806450 1.486378 0.3452578 ## 6 S006 setosa 5.580621 3.857734 1.875316 0.3060997 Provide at least the following in the report for full credit: Null Hypothesis H0 : Sepal.Length has no effect on Species (Setosa & Versicolor Only). That is to say that the difference between the observed Sepal.Length values for various Species are not statistically different Alternate Hypothese Ha : Sepal.Length has some effect on Species (Setosa & Versicolor Only). That is to say that the difference between the observed

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