Criminal Justice 161003
Spring 2003
Criminal Justice Statistics
Sequence of Topics and Readings and Assignments
NOTE: This page will be updated FREQUENTLY  be sure to check back at regular intervals.
DATE OF LAST UPDATE: 4/17/03
CLASS 
TOPICS 
READINGS 
1/23 
Why this is the most important class of your college career; what this class is about; what this class is NOT about; classroom guidelines; your innate statistical reasoning capabilities; your blocks; overcoming those blocks; survival guide; describing data; summarizing data; testing and developing ideas; evidentiary basis; initial orientation to spss LAB FILE: Law enforcement officers killed: trends 
B&P: 623632
Math
proves Stones best
LEO_killed_weap_2000 
1/30 
What does
it mean to reason statistically? What is a variable? What flavors (only four)? Independent or dependent? The MATRIX approach. Counts, rates, ratios, percents; A PROBLEM: Background checks for firearms transfers. Describing data: Frequency distributions LAB02 161sp03_lab02.wk1 
HANDOUT:You
are wrong because PDF:backgroundchecks B&P:19;2239 K&F:123; 106108 READ TWICE G&S:113 How the average behaves in the bar 
2/6 
TEST ONE AT BEGINNING OF CLASS
Describing
data: Frequency distributions; FINISH UP LAB02 
G&S:1418 
2/13 
PAPER 1 BASED ON LAB 2 DUE CLICK HERE to retrieve spss data file with quiz 1 scores. Save it to your A floppy. You want to generate a BOX and WHISKER plot of these data. 
B&P:
143150; 117130; 134136 
2/20 
TEST TWO AT BEGINNING OF CLASS
LAB AND
PAPER STUFF STARTS HERE PDF: LUDWIG article FYI: BACKGROUND CHECKS UPDATED DATA FILE: 161_sp03_bcft_poc.sav 
B&P:150163
PDF: GIA
CODEBOOK 
2/27 
PAPER 2 BASED ON LAB 3 DUE 
K&F:109112 
3/6 
Sampling and M&Ms all over again 
B&P:
211223 
NOTE  TOPICS AND ASSIGNMENTS AND HYPERLINKS AFTER THIS DATE ARE ALL TENTATIVE AS OF NOW  WILL BE UPDATED LATER IN SEMESTER  
3/13 
MTV SPRING BREAK 

3/20 
DELAYED QUIZ 3 Probability basics; Areas under the curve and central limit theorem; confidence intervals
LAB: Computing Z scores GET THE DATA TEMPLATE: GET THE INSTRUCTIONS: Link to class data file 
G&S: 2752 
3/27 
QUIZ 4 Applications in statistics I: Murder and Insurance Fraud Probability basics; Areas under the curve and central limit theorem; confidence intervals  continued 
B&P:211232 
4/3 
PAPER 3 DUE:
Applications
in statistics II: Election Fraud in the Second District in
Philadelphia in 1993: background Steps in hypothesis testing 
Stinson1
B&P: 259286 
4/10 
More on the z test and populations vs. samples; background to election fraud; constructing LAB  constructing the spreadsheet to answer the question 

4/17 
QUIZ 5 PAPER 4 DUE
Association
of nominal variables: contingency tables CLICK HERE for syntax file LAB 8: : getting ready to do a chi squared Contingency tables; Chi squared statistic 
B&P: 292307(middle); 
4/24 
t test of mean differences on independent samples 
B&P:342364 
5/1 
t test of mean differences on independent samples YOUR ASSIGNMENT, Mr. Philips  download and save and work on it 
B&P:342364 

LAST DAY
OF TEMPLE CLASSES 5/5 