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Northern Virginia Community College

Statistics I, MTH 245

 

Course Description (from the College):

Presents an overview of statistics, including descriptive statistics, elementary probability, probability distributions, estimation, hypothesis testing, correlation, and linear regression. Credit will not be awarded for both MTH 155: Statistical Reasoning and MTH 245: Statistics I or equivalent. This is a Passport Transfer course.
Lecture 3 hours. Total 3 hours per week.
Prerequisite: Completion of MTH 154 or MTH 161 or equivalent with a grade of C or better.
3 credits

Syllabus -- in Word format

Important Dates
Exam I - Data -- Saturday, March 4th key/key/review/review key
Exam II - Data -- Saturday, April 1st key/key/review/review key
Final Exam - Data -- Saturday, May 6th key/key/review/formula sheet
 

see the syllabus for a more detailed calendar
 

Email List

via Canvas

Announcements:

Office: online
My NOVA email: bmccall@nvcc.edu
Office hours: Sa after class or by appt
OpenStax Statistics Textbook
MyOpenMath Course Code: 164060 enrollment key: mccall_245_spring23


Homework

MyOpenMath
Course Code: 164060 enrollment key: mccall_245_spring23


Projects (graded)  

Project #1 -- Data
Project #2 -- Data
Final Project -- Data


Calculator Guides:

Statistical Graphs in the TI-83/84
TI 84 Entering Data
TI 84 Descriptive Statistics
Normal Distribution
Binomial Distribution
Hypothesis Testing (1 Sample)
Counting Formulas
Expected Values
Descriptive Statistics: Grouped Data
Confidence Intervals -- One Sample
Correlation and Linear Regression

 

Video Play List: Doing Statistics with Excel

 

Answer Keys

Quiz #1 -- key
Quiz #2 Data -- key/key
Quiz #3 -- key/key
Quiz #4 -- key
Quiz #5 -- key
Quiz #6 -- key
Quiz #7 -- key
Quiz #8 -- key
Quiz #9 -- key
Quiz #10 Data -- key/key
Quiz #11 Data -- key/key
Quiz #12 Data -- key/key


In-class Examples

1/21 N 1/28 N E
2/4 N E 2/11 N E
2/18 N E 2/25 N
  3/11 N E
  3/25 N E
4/1 N E  
4/15 N E 4/22 N E
4/29 N E  

Discussion Questions:

  1.20* 1.22*
1.25* 1.27* 1.29*
  2.03* 2.05*
2.08* 2.10* 2.12*
  2.24*  
  3.02* 3.04*
3.07* 3.09* 3.11*
3.21* 3.23* 3.25*
3.28* 3.30*  
  4.06* 4.08*
4.11* 4.13* 4.15*
4.18* 4.20* 4.22*
4.25* 4.27*  
5.02* 5.04*  
Online:    
Module 1 Video Notes   Module 1 Discussion Questions
Module 2 Video Notes   Module 2 Discussion Questions
Module 3 Video Notes   Module 3 Discussion Questions
Module 4 Video Notes   Module 4 Discussion Questions
Module 5 Video Notes   Module 5 Discussion Questions
Module 6 Video Notes   Module 6 Discussion Questions
Module 7 Video Notes   Module 7 Discussion Questions
Module 8 Video Notes   Module 8 Discussion Questions
     

Notes & Video Links

Against All Odds: Inside Statistics
Statistical Reasoning
Probability and Statistics
Statistics 2
Statistical Reasoning II

Projects (supplemental)  
Excel Lab #1 -- Data
Excel Lab #2 -- Data
Excel Lab #3 -- Data
Excel Lab #4 -- Data
Excel Lab #5 -- Data
Excel Lab #6
Excel Lab #7 -- Data
Excel Lab #8
Excel Lab #9 -- Data
Excel Lab #10 -- Data
Excel Lab #11 -- Data
Excel Lab #12
Excel Lab #13
Excel Lab #14 -- Data
Data Visualization Project -- Data
Monte Carlo Modeling Project
Binomial Approximation Project
Hypothesis Test Project -- Data
Course Project

Minitab Labs 

Lab #1 -- Data
Lab #2 -- Data
Lab #3 -- Data
Lab #4 -- Data
Lab #5 -- Data
Lab #6 -- Data
Lab #7 -- Data

 

Projects (old)  

Mini Project
Final Project

Supplemental Activities

Pie Charts & Stem-and-Leaf Plots by Hand
Calculating Standard Deviations by Hand
Samples Activity -- key
Permutations and Combinations Activity -- key
Probability Activity -- key
Expected Values Activity -- key
Problem Solving Activity -- key
Linear Regression Problems -- key
Confidence Intervals on Means -- key
Counting Sample Spaces with Trees -- key
Design Your Own Experiment
Empirical Rule -- key
Hypothesis Tests II -- key
Legal Analogy
Statistical Graphs  -- key
CLT Proportions Version 1/Version 2 -- key
Hypothesis Test Worksheet #1
Hypothesis Test Worksheet #2
Hypothesis Test Worksheet #3
Hypothesis Test Worksheet #4
Hypothesis Test Worksheet #5
Hypothesis Test Worksheet #6
Hypothesis Test Worksheet #7
Hypothesis Test Worksheet #8
Hypothesis Test Worksheet #9
Hypothesis Test Worksheet #10
Discrete Distributions of Two Dice -- key
Sampling Methods Activity

Simulations -- Excel(xlsx) -- Minitab(mpx)

 

Links!

Sampling Distributions/Confidence Intervals

Central Limit Theorem: with Bunnies and Dragons (video)
Sampling Distributions of the Mean (video)
Sampling Distributions of Sample Proportions (video)
Confidence Interval for One Mean, Sigma Known (video)
Confidence Interval for Means, Sigma Unknown or Small Sample (video)
T-Distribution (video)
T-Distribution using Tables (video)
T-Distribution in Excel (video)
Confidence Interval for Means in Minitab (video)
Confidence Intervals for Proportions (video)
Estimating a Sample Size (video)
Confidence Interval for the Difference of Two Means (independent) (video)
Confidence Interval for the Difference of Two Means (dependent) (video)
Confidence Interval for the Difference of Two Proportions (video)

Hypothesis Testing

Hypothesis Testing Concepts (video)
Hypothesis Testing Basics (video)
Hypothesis Testing Errors (video)
What is a Rejection Region (video)
Hypothesis Testing with P-values (video)
Hypothesis Testing Steps (video)
One-Tailed and Two-Tailed Tests (video)
T-tests for One Mean (video)
One-sample T-Test in Minitab 19 Example (video)
One-sample Z-Test of Summarized Data in  Minitab 19
Conditions for One-Proportion Z-Test (video)
One Proportion Z-Test (video)
Difference of Two Proportions Z-Test (link)
Two-sample means t-test paired/dependent (video)
Two-sample difference of means t-test indepedent (video)
Equal vs. Unequal Variance in two-sample T-test (video)
Two Proportions Test in Minitab (video)
ANOVA Testing (video)
One-Way ANOVA in Minitab (video)
Chi-Squared Test of Independence (video)
Chi-Squared Goodness of Fit Test (video)
Chi-Squared Test in Minitab (video)

Regression

Basic Linear Regression (video)
Exponetial Regression Model with COVID-19 data (video)
Scatterplots & Correlation (video)
Scatterplots & Statistics (video)
Interpreting Scatterplots & Correlation (video)
Interpreting Scatterplots (video)
Linearity, Strength and Relationship (video)
Coefficient of Determination (video)
Simple Linear Regression (video)
Simple Linear Regression in Minitab 19 (video)
Multiple Regression in Excel (video)
Multiple Regression in Minitab (video)
Nonlinear Regression in Minitab (video)
Residual Analysis (video)
Residual Analysis in Excel (video)
Residual Analysis in Minitab (video)

 

PDF Graph Paper
Bad Graphs (Convention Speeches)
Visualizing Data Badly: 8 Examples
Correlation is not Causation: orginal article / handout
Presidents by State
How much people lie on surveys
On the Hazards of Significance Testing
Exploring Correlation and Regression
Central Limit Theorem: with Bunnies and Dragons
How Many Ways Can You Arrange a Deck of Cards?
Free Online Math Courses
Medical Testing and Vitamin C
How to Tell if Correlation Implies Causation
Reliability and Validity
In wake of uproar over Facebook’s emotional manipulation study, bioethics scholars say new rules are 'moral imperative'
Combinations and Permutations Calculator
Four Assumptions of Multiple Regression that Researchers Should Always Test
Beyond Reasonable Doubt: A Significant Improvement
How the Nocebo Effect can Trick us into Actually Dying
Desmos Lessons for AP Statistics
Stem and Leaf Plot Generator
PhET Simulations
EdReady
How to Spot Bad Science

Other stats courses I've taught
R coding tutorials
Statistics Examples in Excel (video playlist)
COVID-19 and Exponential Growth (video) Excel sheet
Spring 2022

 

 
(c) 2015, 2013, 2007, 2004 by Betsy McCall, all rights reserved
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Last updated: 2015 August 12th