STAT-141 Intro to Statistics with Recitation
Basic class information
  • 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.  January 27 - January 31.    
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.  February 3 - February 7.
Day
Class Covers
Assignments, etc.
Monday
Last Day for Add/Drop


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.

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



Week 3.  February 10 - February 14.    
Day
Class Covers
Assignments, etc.
Tuesday
Chapter 2 -- graphs and histograms.  My examples.
Common charts:  Wiki

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

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
3-1:  Weighted means.

3-2:  Measures of variation -- variance, SD, range.  The empirical rule, Chebychev's theorem. 
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.  February 17 - February 21.
Day
Class Covers
Assignments, etc.
Tuesday
3-3:  Measures of position.  Z scores, percentiles, quantiles, deciles.

     The empirical rule revisited, Chebychev's theorem revisited

      Z-score example.

     Quintiles example. 

3-4:  5 number summaries and box plots.

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

3-3 (page159): 1- 7 all. 9 – 15 odd.
3-4 (page172): 1-13 odd
Thursday
4-1:  Intro to probability:  nomenclature and basic probability. Bring questions about the test to class!

Week 5.  February 24 - February 28.    
Day
Class Covers
Assignments, etc.
Tuesday
Test 1.  Covers everything before probability
Thursday
I was out sick. I was out sick.

Week 6.  March 3 - March 7.
Day
Class Covers
Assignments, etc.
Tuesday
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.
Thursday
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.

Week 7.  March 10 - March 14.    
Day
Class Covers
Assignments, etc.
Tuesday
We'll finish up 4-3.  Quick review.
There are three quizzes for chapter 4 on D2L.  Quizzes 5, 6, and 7.  Take them soon.
Thursday
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.

Spring Holiday.  March 17 - March 21.    
Day
Class Covers
Assignments, etc.
Monday
No Classes.
No Classes.
Tuesday
No Classes. No Classes.
Wednesday
No Classes. No Classes.
Thursday
No Classes. No Classes.
Friday
No Classes. No Classes.


Week 8.  March 24 - March 28.
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
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.


Week 9.  March 31 - April 4.
Day
Class Covers
Assignments, etc.
Tuesday
Test 2.  Covers chapters 4 and 5.
Thursday



Week 10.  April 7 - April 11.    
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 11.  April 14 - April 18.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 12.  April 21  - April 25.    
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 13.  April 28 - May 2.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Week 14.  May 5 - May 9.
Day
Class Covers
Assignments, etc.
Tuesday


Thursday



Finals Week.  May 12 - 15.  See the final exam schedule on my main page or the registrar's page.
Day
Class and Final Exam Time
Monday

Tuesday

Wednesday

Thursday
STAT 141 05 Intro to Stats - Thu, May 15, 2025 -- 10:15 AM to 12:15 PM
MATH 101 05 / 101A 05 Math Thinking - Thu, May 15, 2025 -- 12:30 PM to 2:30 PM