Created
July 7, 2019 14:11
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| ### Task 2 | |
| png(filename = "HistogramExams.png") | |
| hist( | |
| exam, | |
| # breaks=seq(from=1.0, to=5.0, by=0.1), | |
| breaks = c(0, 0.3, 0.7, 1.0, 1.3, 1.7, 2.0, 2.3, 2.7, 3.0, 3.3, 3.7, 4.0, 4.3, 4.7, 5.0), | |
| xlim = c(0, 5), | |
| freq = TRUE, | |
| xlab="Grades", | |
| ylab="# of Grades", | |
| col="orange") | |
| dev.off() | |
| png(filename = "BoxplotExams.png") | |
| boxplot( | |
| exam, | |
| horizontal = TRUE, | |
| boxwex = 0.3, | |
| xlab="Grades", | |
| ylab="median: 2.3", | |
| col="darkgreen") | |
| dev.off() |
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