MDC, STA2023: Fall of 2025

Class No. 9148, Tues-Thurs
8:25 AM - 9:40 AM

8/26 Introducction to the course
1.1, 1.2 Descriptive/Inferential Statistics and Variable Types.
Notes: Concepts Summary
Practice1 || Practice 01Ans
8/28 2.1 Organizing Data
Notes: Organizing and summarizing data, page 1
Rules to construct a frequency distribution
Practice2 || Practice 02Ans || Practice2_data
9/02 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.
9/04 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
9/09 3.2 Measures of Variation.
Measures of Variation: Range, Variance, Standard deviation, Coefficient of Variation
Practice5 || Practice05Ans
9/11  3.3 Measures of Position
Notes: Measures of position
The Empirical Rule and Chebyshev’s Theorem, by LibreTexts
ALEKS questions
Practice6&7 || Practice6&7Ans
Installing analysis ToolPack in Excel: Windows|| Mac
9/16 Review 01 || Review 01Ans
9/18 Test 1: 8:10 -10:10 AM || Test 1 Formula sheet.
Test available for 90 mins.


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9/23 4.1, 4.2 Sample Space and Probability. The Addition Rule.
4.1 Notes on probability
4.2 Notes on probability
Practice08 || Practice08Ans
Practice 9 || Practice09Ans
09/25  4.3 Multiplication Rule and Conditional Probability.
4.3 Notes on probability
Practice 10 || Practice10 Ans
9/30  4.4 Counting Rules
4.4 Notes on probability
Practice11 || Practice11 Ans
10/02  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?
10/07  Review 02 || Review 02 Notes & Solutions
10/09 Test 2: 8:10 -10:10 AM|| Test 2 Formula Sheet
Test available for 90 mins.


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10/14 5.1 Probability Distributions.
5.2 Mean, Variance, Standard Deviation, and Expected Value.
Notes Discrete Probability Distributions
Practice13 || Practice13 Ans
Notes: Calculating Expectations in games
Answer to Questions 8 & 9 ALEKS assigment Section 5.1,5.2 here.
Practice14 || Practice14 Ans

10/16 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)

10/21 6.1 Normal Distribution. Notes Chapter 6
Practice16 || Practice16Ans
10/23 6.2 Applications of the Normal Distribution.
Practice17 || Practice17Ans
10/28 6.3 The Central Limit Theorem.
Practice18 || Practice18Ans
Normal distribution using formulas
Normal distribution on Casio9750GII
Norm distribution on TI84
10/30 Review 03 || Review03Ans
11/04  Test 3: 8:10 -10:10 AM|| Test 3 Formula Sheet
Test available for 90 mins.


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11/06  7.1  Confidence Intervals. Whiteboard.
7.2  Confidence Intervals for Means, sigma known.
Confidence Intervals Summary
Practice 19 || Practice19Ans
11/13  7.3  Confidence Intervals for Means, sigma unknown.
Practice 20 || Practice20Ans
11/18  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....
11/20 8.1, 8.2 Hypothesis Testing. Z-Test for Mean.
Brief Notes on Testing
Questions on Null vs Alternative Hypothesis
Practice 22 || Practice22Ans
11/25 8.3  T-Test for Mean
Practice 23 || Practice23Ans
12/02 .8.4  Z-Test for Proportion
Practice 24 || Practice24Ans
12/04  Review 04 || Review4Ans
12/09 Test 4: 8:10 -10:10 AM|| Test 4 Formula Sheet
Test available for 90 mins.


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12/11 Retake or make-up test: 8:10 -10:10 AM