MDC, STA2023: Spring of 2025

01/06 Introduction to the course
01/08 1.1, 1.2 Descriptive/Inferential Statistics and Variable Types.
Notes: Concepts Summary
Practice1 || Practice 01Ans
01/10 2.1 Organizing Data
Notes: Organizing and summarizing data, page 1
Rules to construct a frequency distribution
Practice2 || Practice 02Ans || Practice2_data
01/13 2.2; 2.3  Histograms & Other Types of Graphs.
Notes: Organizing and summarizing data, page 2
Notes: On Histograms (Excel steps included)
Notes3_Data
Practice3 || Practice03Ans || Practice3_data
Download Normtemp Excel file.
Download McDonald waiting time data file.
01/15 3.1 Measures of Central Tendency
Measures of central tendency: mean, median, mode, midrange
Finding the Mean of a Freq. Distribution, example.
Using the Data Analysis Tool to generate Descriptive Statistics
Practice4 || Practice04Ans

01/17-1/22 3.2 Measures of Variation.
Measures of Variation: Range, Variance, Standard deviation, Coefficient of Variation
Practice5 || Practice05Ans

01/24-1/27  3.3 Measures of Position
Notes: Measures of position
The Empirical Rule and Chebyshev’s Theorem, by LibreTexts
Practice6&7 || Practice6&7Ans

01/29-1/31 Review 01 || Review 01Ans
02/03 Test 1: 09:30 -11:30 AM || Test 1 Formula sheet.
Test available for 90 mins


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02/05-2/07  4.1 Sample Space and Probability.
4.1 Notes on probability
Practice08 || Practice08Ans
02/10 4.2  The Addition Rule.
4.2 Notes on probability
Practice 9 || Practice9 Ans

02/12-02/14  4.3 Multiplication Rule and Conditional Probability.
4.3 Notes on probability
Practice 10 || Practice10 Ans

02/19  4.4 Counting Rules
4.4 Notes on probability
Practice11 || Practice11 Ans
02/21  4.5 Probability and Counting Rules
4.5 Notes on probability
Probability and counting rules, examples
Practice12 || Practice12 Ans
Working with Playing Playing Cards Probability questions
Counting Rule - Permutations - Combinations?

02/24-02/26  Review 02 || Review 02 Notes & Solutions
02/28 Test 2: 09:30 -11:30 AM|| Test 2 Formula Sheet
Test available for 90 mins


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03/03 5.1 Probability Distributions.
Notes Discrete Probability Distributions
Practice13 || Practice13 Ans
03/05 5.2 Mean, Variance, Standard Deviation, and Expected Value.
Notes: Calculating Expectations in games
Answer to Questions 8 & 9 ALEKS assigment Section 5.1,5.2 here.
Practice14 || Practice14 Ans

03/07-03/10 5.3 The Binomial Distribution.
Practice15 || Practice15 Ans
Binomial distribution calculations: (Formula, TI84 & Casio 9750).
Additional questions: Two binomial probability experiments.
Answer to question 1 of Two Binomial prob experiments:
Click here for TI 83, Click here for Casio 9750GII and Here for TI84.
Binomial Tables (students should use a calculator instead)
...
03/12 6.1 Normal Distribution. Notes Chapter 6
Practice16 || Practice16Ans
03/14 6.2 Applications of the Normal Distribution.
Practice17 || Practice17Ans
03/17 6.3 The Central Limit Theorem.
Practice18 || Practice18Ans
Normal distribution using formulas
Normal distribution on Casio9750GII
Norm distribution on TI84

03/19-03/21 Review 03 || Review03Ans
03/31  Test 3: 09:30 -11:30 AM|| Test 3 Formula Sheet
Test available for 90 mins


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04/02  7.1  Confidence Intervals.Whiteboard
Confidence Intervals Summary
04/04 7.2  Confidence Intervals for Means, sigma known.
Practice 19 || Practice19Ans
04/07  7.3  Confidence Intervals for Means, sigma unknown.
Practice 20 || Practice20Ans
04/09  7.4  Confidence Intervals for Proportions.
Practice 21 || Practice21Ans
Confidence Intervals: Review
Questions || Answers
Instructions on how to construct CIs using TI83 and 84.
Instructions on how to construct CIs using Casio9750GII and 9860GII.

....Hyphothesis Testing....
04/11 8.1 Hypothesis Testing.
Brief Notes on Testing
Questions on Null vs Alternative Hypothesis
04/14  8.2  Z-Test for Mean.
Practice 22 || Practice22Ans
04/16 8.3  T-Test for Mean
Practice 23 || Practice23Ans
04/21 .8.4  Z-Test for Proportion
Practice 24 || Practice24Ans
04/23-4/25  Review 04 || Review4Ans
04/28 Test 4: 09:30 -11:30 AM|| Test 4 Formula Sheet
Test available for 90 mins

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Final Exam Topics:
04/30 Retake or make-up test: 09:30 -11:30 AM.
05/02 Final (Optional): 09:30 -11:30 AM

Both, the comprehensive final and the test retake are optional.
The Final, if taken replaces the lowest test score; the retake replaces a particular test grade.