E2grades {ProfessR}

Examination grades from Test 2 in 2007

Description

Real exam raw scores from test in Geology 105, University of North Carolina. Zeros are assigned to students who did not take the test.

Usage

data(E2grades)

Format

numeric vector

Examples

data(E2grades)

g = E2grades

B = boxplot(g[g>1], plot=FALSE)
divs = c(min(g), B$stats[1:4] + diff(B$stats)/2, max(g) )
###  get(getOption("device"))(width = 12, height = 7)

D1 = do.grades(g, divs=divs, cut = 15, tit="GEOL 105 Exam 1")

jist(D1$hist, D1$grades, D1$lett, col='purple')