BA3300 Introduction to Business Statistics
Centra sessions Winter  '06

 "What is not measured cannot be controlled." (paraphrase of  W. Edwards Deming) "Argument is only possible when you don't have the facts. Get the facts." (paraphrase of Peter F. Drucker) "Discovery consists of seeing what everybody has seen and thinking what nobody has thought." —Albert von Szent-Gyorgy

### New link to out-of-class FLASH videos  video tutorials

Paper SyllabusWinter '06  Section 004 (online Centra Course)
Centra support documents at http://support.centra.com/documentation/index.asp

Technical Support for Centra at the UMSL help desk, (314) 516-6034

The participants getting started essentials booklet was handed out at our first meeting along with a course CD with all my videotutorials.

## Videos of Centra online sessions converted to FLASH format with better navigation controls:

Example of the first Centra sessionvideo  01-25-06 is an exe with viewer included about 9MB

### Converted Videos:

Here is a 580MB zip file of the online course videos which also include the out-of-class videos. Download the zip file, unzip it and copy it to CD to make an autorunning CD. Operations videos aren't included in this collection because of CD size limitations--get those from the BA3320 or LOM5320 sites.In the future, upgraded versions of these will be available on CD through my classes or from instructionalvideotutorials.com

converted to a FLASH video 01-25-06 dispersity and Z scores Part1, Zscores in EXCEL part2, IQ score example part3
Flash video, 01-30-06 repetitive sampling with macro part1, central limit theorem  part2
Flash Video, Feb01, sample means and Central Limit Theorem part1, descriptive statistics and confidence intervals  part2
Flash Video,  Feb 06,quiz 1 review part1, probability of having a bad confidence interval finish exercise 1 histograms and print to 1 page  part2
Flash Video, Feb 13, one sample t-test Part1, type I and type II errors part2
Centra session 02-15-06 as a four part FLASH video ( more convenient navigation)Q2 review and Beta=probability of a type II error Part1, (heights and sex data) part2, two-sample t-test   part3part4
Centra Session 02-20-06 as a 2-part FLASH Video I had to reduce the frame rate to 7/sec to get it to 2-parts, but this may be workable--Q3 review part1, two-sample t-test, f-test for variance differences part2
Centra Session 02-22-06 as a 2-part FLASH Video (frame rate to 7/sec)Q3 preview part1,paired sample t-test (salaries) part2
Flash Videos,  02-27-06 as a 2-part FLASH VideoQ3 review Part1,paired t-test and correlation part2
FLASH Videos 03-01-06 Q4 preview  Part1,partition of variance and ANOVA Part2
ANOVA Flash Videos 03-13-06 Exam 1 results  Part1,more ANOVA (golf balls and clubs) Part2
ANOVA golfball example and exercise 3 03-15-06 part1, part2
brief mention ANOVA Exercise 3 and simple regression theory and example 03-20-06 part1 part2
preview of YRBSS data and curvilear regression 03-22-06 part1part2
Multiple regression 04-03-06 part1part2
Multiple Regression, download and parsing YRBS data 04-05-06 part1part2
Multiple regression  4-10-06  part1part2
Multiple regression with YRBSS data finished 04-12-06 Part1Part2
Crosstabs in YRBS with PivotTables 04-17-06 part1part2
Chi-squared statistic and relationship between sex and smoking 04-19-06 part1part2
Chi-squared Modified for Exercise 5 completed current Marijuana frequency and depression 04-24-06 part1 part2
Video from class 4-26-06 was corrupted and may not be recoverable
Chi-Squared modified for relationship between frequency of drivers drinking and neglecting use of seatbelts, smoking, sex and weight, stock market returns data from finance.yahoo.com 05-01-06 part1part2
stock market data at YAHOO--a look at google, employment data from the BLS and current populations statistics 05-03-06 part1part2
End of course.

## Centra course schedule

Ref No /Section
date/ Time  Place
Onsite Intro W, Jan18, M, Jan23  2:00-3:15   SSB216
Exam1 MC Mon, Mar 6   2:00-3:15 Clark 217
Exam1 Hands-on EXCEL Wed, Mar 8   2:00-3:15  SCB 102 SOUTH CAMPUS
Exam2  MC & Hands-on Monday, May 8   12:30-2:30 !! SCB 102 SOUTH CAMPUS

comments or questions to rbanis (at) jinx.umsl.edu

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