Week 3: Statistics of Sampling from Populations
(Student t distribution and chi-squared distribution)
ChE, BioE, EnvE 213
Prof. Milo Koretsky
1. Definitions:
Confidence Interval. The interval in which we are reasonably confident a statistical parameter
of

Week 2: Probability Distributions
CBEE 213
Prof. Milo Koretsky
Class Data Analysis
Kinematic viscosity data (in centistokes [mm2/s]) from a batch chemical process is presented
below (read down, then across). The data are from the following journal: Qualit

Week 4: Least Squares regression
CBEE 213
Prof. Milo Koretsky
Least Squares Fitting Linear Regression
y
2
n
0
yi 0 + 1 xi =
0 i =1
(
(xi,yi)
)
n
n
y 0 + 1 x )
yi n0 + 1 xi or ( =
=
yi yi
=i 1 =i 1
1
and
2
n
+
=
bb
y
x
0
i
0
1 i
b1 i =1
)
(
0
n
n

Week 1: Summary Statistics and Box Plots
ChE, BioE, EnvE 213
Prof. Milo Koretsky
I. Measures of Central Tendency
A. Mean ( x ). Measure of location or central tendency. Arithmetic mean is obtained by
adding up all the samples and dividing by the number of