Descriptive Statistics

Univariate

Graphics

histogram
boxplot
stem and leaf (16 min.)

Number Summaries

mean
median (5 min.)

mode (5 min.)

range
interquartile range
standard deviation (6 min.)

Case Studies

lead exposure I (13 min.)

JMP

data entry

number summaries

graphics

Bivariate

mosaic plot
side-by-side boxplots scatterplot (8 min.)

contingency tables (9 min.)

correlation (14 min.)

regression (18 min.)

lead exposure II (10 min.)

mosaic plot

side-by-side boxplots

scatterplot

contingency tables

regression

correlation