1
Announcements
•
Exam 1 – Thursday, Feb. 18
.
–
Exams are in Lab, applied questions and theory.
–
During your regularly scheduled Thursday lab.
–
Friday lab – schedule a time for Thursday evening
using the Doodle link on the website.
–
During exam you get: formula sheet; t
‐
table; Excel
functions.
•
Course Notes at CDC – cost about $10.50.
I.
Introduction
II.
Statistical and Notational Preliminaries
A.
Introduction
B.
Elements of Statistical Theory
1.
Prerequisites: Summarizing
di
ib
i
i
i
i
i
l
distributions, point estimation, interval
estimation, hypothesis testing.
2.
Bivariate measures: covariance and
correlation.
3.
Expected Values.
4.
Estimators and Desirable Properties
3. Expected Values.
a.
Definition
‐
The weighted sum of
all possible values
of a random variable; weights are probabilities or
relative frequencies.
b.
Measure of
central tendency –
average
all possible
values
for a random variable –
Population mean
.

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