library(ggplot2)
Grades <- c(30, 59, 61, 70, 74, 75, 75, 78, 80, 83, 87, 91, 92, 95, 97)
summary(Grades)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 30.0 72.0 78.0 76.5 89.0 97.0
c <- qplot(Grades, main = "Midterm 3 Grade Distribution", binwidth = 10)
c + geom_histogram(fill = "darkgray", color = "black", binwidth = 10)
| Problem | Concept | Class Average |
|---|---|---|
| 1 | Discrete dynamical systems | 78.22% |
| 2 | Complex eigenvalues/vectors | 84.00% |
| 3 | Least squares regression | 59.17% |
| 4 | Orthogonal complements | 46.67% |
| 5 | Fundamental Theorem of Linear Algebra | 81.67% |
| 6 | Dot product algebra | 76.67% |
| 7 | Orthogonal sets | 85.00% |
| 8 | Orthogonal decomposition | 87.50% |
| 9 | Vector fields | 66.67% |
| 10 | Norms and dot-products | 86.11% |
| 11 | Discrete dynamical systems | 72.44% |