STAT-141 Intro to Statistics with Recitation

  • The book for this class will be Elementary Statistics: A Step by Step Approach 10th edition by Allan Bluman.  Earlier editions don't really work for the homework sets.  ISBN:  9781259755330.


Week 1.  August 25 - August 29.    
Day
Class Covers
Assignments, etc.
Tuesday
The syllabus and my expectations.

What is statistics?

Get the book, read section 1-1 and 1-2.
Thursday
Sections 1-1 and 1-2:  Variables and the beginnings of sampling. Outline.

My chapter 1 notes.
1-1 problems 1-15 only the odds on page 5.
1-2 problems 1-15 only the odds on page 10.



Week 2.  September 1 - September 5.
Day
Class Covers
Assignments, etc.
Monday
No classes.  Labor Day.
Tuesday
Section 1-3.  Sampling techniques and experiments.
Section 1-4.  Experiments. Outline.

1-3 problems 7-15 only the odds on page 17.
1-4 problems 1, 3, 7, 9, 11,15, 17, 23, 25 starting on page 24.
Thursday
Chapter 2 -- graphs and histograms.  My examples.
Common charts:  Wiki


2.2 (page 65): 1, 3 is a good idea, 5, and 20 (Answers to #20 are 0, 14, 10, 16).
2.3 (page 90): 5, 17.

There's a quiz on D2L.  Quiz 1.  Take it soon.


Week 3.  September 8 - September 12.    
Day
Class Covers
Assignments, etc.
Monday


Tuesday
3-1:  Measures of central tendency.  My notes on chapter 2 and 3 for the online students  Weighted means.  GPA example.

We'll start into 3-2.

3-1 (page122): 3, 5, 7 (skip the midrange for those), 25, 27, 28 (answer is 82.67), 29.
The chapter 2 quiz is on D2L.  Quiz 2.  Take it soon.

Thursday
3-2:  Measures of variation -- variance, SD, range.  The empirical rule, Chebychev's theorem.

We'll start into 3-3.

3.2 (page143): 1, 3, 4, 7, 9, 11. Be sure to be able to compute the SD and variance by hand, but don’t
perform calculations without a calculator/computer.
3.2 (page145): 29, 31, 35, 41

Week 4.  September 15 - September 19.
Day
Class Covers
Assignments, etc.
Tuesday
3-3:  Measures of position.  Z scores, percentiles, quantiles, deciles,  Quintiles example.  Z-score example.  Some mixed problems.
3-4:  5 number summaries and boxplots.

3-3 (page159): 1- 7 all. 9 – 15 odd.
3-4 (page172): 1-13 odd

There are two quizzes for chapter 3 on D2L.  Quiz 3 and Quiz 4.  Take them soon.

Thursday
We'll start into probability.  Bring any questions you have for test 1.



Week 5.  September 22 - September 26.    
Day
Class Covers
Assignments, etc.
Tuesday
Test 1.  Covers everything before probability

Test 1.  Covers everything before probability
Thursday
4-1:  Intro to probability:  nomenclature and basic probability.  Some examples.
4-2: the addition rule.  More examples.
Here's my chapter 4 notes.

4-1: 1-10 all, 13, 15, 17, 21, 23, 27, 31, 33.

4-2: 1, 2, 3, 5, 9, 15, 17, 23.

Week 6.  September 29 - October 3.
Day
Class Covers
Assignments, etc.
Tuesday
4-3:  Conditional probability and independence.

Here's some problems for class.

4-3: 1, 5, 11, 15, 21, 25, 29, 31, 33, 35.

Here are some additional probability problems and the solutions.

Here's a not-too-evil set of exercises on conditional probability with the answers.

There are three quizzes for chapter 4 on D2L.  Quizzes 5, 6, and 7.  Take them after Thursday.  Unless you're really ready.


Thursday
Quick review.

5-1:  Discrete random variables.  My chapter 5 notes.
5-2:  Expectation of random variables.

5-1: 1-6 you should know except the baseball thing. 7-17 odd, 21, 23, 29.

5-2: 1, 7, 11, 13, 15, 17, 19

Week 7.  October 6 - October 10.    
Day
Class Covers
Assignments, etc.
Tuesday
5-3:  Binomial random variables.  Some examples for class. 5-3: 1, 5, 7, 9, 11, 17, 21.

Quiz 9 is the last one before test 2.  It's ready on D2L.

Thursday
Finish up 5-3, start chapter 6.


Friday Midterm Grades



Week 8.  October 13 - October 17.
Day
Class Covers
Assignments, etc.
Tuesday
No classes.  Fall break.

No classes.  Fall break.
Thursday
Review for test 2.  Cooties

Continuous random variables.

Read chapter 6.

Week 9.   October 20 - October 24.    
Day
Class Covers
Assignments, etc.
Monday (Reg)

Tuesday
Test 2.  Covers chapters 4 and 5. 


Thursday
6-1:  Introduction to the normal curve.  Notice the Z and T table at the top, btw.
6-2:  "Non-standard" normal curves.  Examples

Something cool.
6-1: 1-5 odd. 7-25 odd (Do 3 of them.) 27-40 odd. (Do 3 of them.) 41-49 odd.
6-2: 3, 5, 9, 11, any of the odds from 13 to 29 are pretty good. Definitely do 31 and 33.

Week 10.  October 27 - October 31.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 11.  November 3 - November 7.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 12.  November 10 - November 10.    
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 13.  November 17 - November 21.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Thanksgiving Week.  November 24  - November 28.    
Day
Class Covers
Assignments, etc.
Monday


Tuesday


Wednesday
No classes. No classes.
Thursday
No classes.  Happy Thanksgiving! No classes.
Friday
No classes. No classes.

Week 14.  December 1 - December 5.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 15. Finals Week.  December 8 - December 12.
See the final exam schedule on the registrar's page. All finals are in the same room as the class.
Day
Final Exam
Monday

Tuesday
Stats final time slot:  December 9, 2025 8:00 AM to 10:00 AM
Wednesday

Thursday

Friday