MDC, STA2023: Summer of 2025

5/12 1.1, 1.2 Descriptive/Inferential Statistics and Variable Types.
Notes: Concepts Summary
Practice1 || Practice 01Ans
5/14 2.1 Organizing Data
Notes: Organizing and summarizing data, page 1
Rules to construct a frequency distribution
Practice2 || Practice 02Ans || Practice2_data
5/16 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.
5/19 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
5/21 3.2 Measures of Variation.
Measures of Variation: Range, Variance, Standard deviation, Coefficient of Variation
Practice5 || Practice05Ans
5/23  3.3 Measures of Position
Notes: Measures of position
The Empirical Rule and Chebyshev’s Theorem, by LibreTexts
ALEKS questions
Practice6&7 || Practice6&7Ans

5/28-1/31 Review 01 || Review 01Ans
5/30 Test 1: 8:45 -10:45 AM || Test 1 Formula sheet.
Test available for 90 mins.


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6/02 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
06/04  4.3 Multiplication Rule and Conditional Probability.
4.3 Notes on probability
Practice 10 || Practice10 Ans
6/06  4.4 Counting Rules
4.4 Notes on probability
Practice11 || Practice11 Ans
6/09  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?

6/11-6/13  Review 02 || Review 02 Notes & Solutions
6/16 Test 2: 8:45 -10:45 AM|| Test 2 Formula Sheet
Test available for 90 mins.


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6/18 5.1 Probability Distributions.
Notes Discrete Probability Distributions
Practice13 || Practice13 Ans
6/20 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
6/23 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)

6/25 6.1 Normal Distribution. Notes Chapter 6
Practice16 || Practice16Ans
06/27 6.2 Applications of the Normal Distribution.
Practice17 || Practice17Ans
6/30 6.3 The Central Limit Theorem.
Practice18 || Practice18Ans
Normal distribution using formulas
Normal distribution on Casio9750GII
Norm distribution on TI84
7/02-7/07 Review 03 || Review03Ans
7/09  Test 3: 8:45 -10:45 AM|| Test 3 Formula Sheet
Test available for 90 mins.


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7/11  7.1  Confidence Intervals. Whiteboard.
7.2  Confidence Intervals for Means, sigma known.
Confidence Intervals Summary
Practice 19 || Practice19Ans
7/14  7.3  Confidence Intervals for Means, sigma unknown.
Practice 20 || Practice20Ans
7/16  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....
7/18 8.1, 8.2 Hypothesis Testing. Z-Test for Mean.
Brief Notes on Testing
Questions on Null vs Alternative Hypothesis
Practice 22 || Practice22Ans
7/21 8.3  T-Test for Mean
Practice 23 || Practice23Ans
7/23 .8.4  Z-Test for Proportion
Practice 24 || Practice24Ans
7/25  Review 04 || Review4Ans
7/28 Test 4: 8:45 -10:45 AM|| Test 4 Formula Sheet
Test available for 90 mins.


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Final Exam Topics:
7/30 Retake or make-up test: 8:45 -10:45 AM
8/01 Final (Optional): 8:45 -10:45 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.