Simple Mean and Confidence Intervals with Base Graphics

# You can find pch values for shapes here: 
# https://cdn-images-1.medium.com/max/1600/1*0QEVFHrgqmkVsCVCQceh6w.jpeg

data <- data.frame(
  Name = c("Ohio State", "Purdue", "Indiana", "Wisconsin", "Nebreaska"),
  Min =   c(0.37, 0.25, 0.13, 0.22, 0.28),
  Max =   c(0.88, 0.57, 0.68, 0.77, 0.63),
  Value = c(0.51, 0.32, 0.24, 0.65, 0.57),
  Pch = c(1, 2, 5, 6, 22),
  stringsAsFactors = FALSE
)

data

##         Name  Min  Max Value Pch
## 1 Ohio State 0.37 0.88  0.51   1
## 2     Purdue 0.25 0.57  0.32   2
## 3    Indiana 0.13 0.68  0.24   5
## 4  Wisconsin 0.22 0.77  0.65   6
## 5  Nebreaska 0.28 0.63  0.57  22

# Graph margins
par(mar = c(6.1, 4.1, 3.1, 2.1))

plot(1:nrow(data), 
     col  = "white",
     ylim = c(0, 1),
     xlab = "",
     ylab = "Coolness",
     xaxt = "n")

title(xlab = "Schools", line=5)

for (i in 1:nrow(data)) {
  segments(i, data$Min[i], i, data$Max[i])
  points(i, data$Value[i], pch = data$Pch[i])
}

axis(1, at = 1:nrow(data), labels = data$Name, las=2)