STUDENTS!! SOME OF YOU HAVE EMAIL ADDRESSES THAT I CAN'T RESPOND TO. THEY JUST KEEP BOUNCING BACK:( I NEED TO BE ABLE TO COMMUNICATE WITH YOU! IF YOU HAVEN'T GOTTEN MY EMAILS, OPEN A GMAIL OR YAHOO EMAIL ACCOUNT TO USE FOR THE CLASS. THEN CHANGE YOUR EMAIL ADDRESS IN WEBADVISOR AND MSL. THANKS!
ABOUT THE CLASS
THE MYSTATLAB COURSE ID NUMBER IN THE SYLLABUS IS INCORRECT! USE vandeusen07176
Student notes packet- Use this as an outline of what to study.
HERE'S A STATCRUNCH STEP-BY-STEP GUIDE!
Monday, August 31 class, sections 1.3-2.2- https://youtu.be/yO4CDR9n8Sc and (there are two) sections 2.4-3.1- https://youtu.be/iuaj-4njsts
Wednesday, September 2 class, section 3.2- https://youtube.com/watch?v=E3a5Lj5RtiM and- https://youtu.be/fAeJ9uuXTMA
and (there are 3)- https://www.youtube.com/watch?v=gEEC9JEqDss
Wednesday, September 9 class- FOUR videos!
Video 1 starts with additional examples of The Emperical Rule and Chebyshev's Theorem
Video 1 - Quartiles and the five-number summary
Video 2 starts with problem #26 from section 3.4
Video 3 starts with problem #16 from section 3.5. We compare the two data sets.
These regression videos are based on the data: commute time vs. well-being, 4_1_25; bear length vs. bear weight, 4_1_28; credit score (FICO) vs. interest rate 4_1_26.
Video 1 is half of the class where the other video was consumed by the camera. Greedy bugger. It's about r values and scatterplots.
Video 2 starts with some homework questions about r values and z-scores. We discuss the overall steps of the linear regression process.
Video 3 starts with some estimation and goes through the total overall error.
Video 4 begins with a regression homework problem and finishes up the process started in video 3.
This video is all about probability, most of chapter 5.
Lab 4 key
In the lab 4 key, I added comments on what I was looking for in the individual problems and what earned/lost you points. All problems except #1c, 2c, 2d, 3h, 3i, and 3j were worth two points. The noted problems were worth 3 points.
Due: Wednesday, December 2
Due: Wednesday, December 16 WITH NO EXCEPTIONS!
***LABS MUST BE SAVED IN pdf FORMAT AND EMAILED TO email@example.com
Please be sure to label all problem numbers in labs clearly
Exam 1 key
The distribution of the exam 1 grades. I call this a "reverse" stem and leaf
because the stem is larger to smaller.
Exam 2 - chapter 4
Exam 2 key
Exam 3 key
HELPFUL RANDOM STUFF
Hypothesis test/confidence interval/sample size formula flowchart
Log on to Course Compass
PowerPoint lectures with the author of our text, Michael Sullivan
Excellent statistics help by Khan Academy
More stats help from Wolfram Alpha
The mathematics behind the Birthday Problem
Here's a copy of the Z table
...and a copy of the t table
Some Normal distribution examples. The first is an application of IQ scores as used by NVC's learning specialist and the second is how normally distributed global temperatures are changing due to global warming. In the second example, note how the change in the mean shifts the distribution left/right while the change in standard deviation changes the shape/width of the curve.