Mary Hudachek-Buswell, formerly Mary H. Stephens
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Math 1231 Department Page

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Page

Icon Number

Icon

Icon Title

2-1

5th

Data Desk

Variables in Data Desk -- hands on

3-1

1st

Video

Categorical Data

3-1

2nd

Tool

Bar Charts 

3-1

3rd

Data Desk

Display Categorical Variables

4-1

1st

Video

Soldier Sizes

4-1

3rd

Tool

Histograms

4-2 2nd

Data Desk

Histograms and Dotplots in Data Desk

4-2

3rd

Data Desk

Distribution Displays

4-3

1st

Tool

Attributes of Distribution Shape 

4-3

4th

Data Desk

Case Study:  Describing distribution shapes

5-1

1st

Video

When Will "Old Faithful" Erupt?

5-1

2nd

Tool

The Center of a Distribution 

5-1 4th Data Desk Data Desk Calculation

5-1

6th

Data Desk

Case Study:  Summarizing the center of a distribution

5-2

1st

Tool

The Spread of a Distribution

5-2

6th

Data Desk

Case Study:  Summarizing data with centers and spreads

5-3 1st Tool 5-Number Summaries
5-4 2nd Tool Boxplots

5-4

4th

Data Desk

Making and Using Boxplots

5-4

6th

Data Desk

Case Study:  Are passengers or drivers safer in a crash?

6-1

3rd

Tool

Standardizing

6-1

4th

Tool

The Normal Model

6-2

2nd

Tool

Working with Normal Models 

6-2

3rd

Tool

Your Pulse z-score

6-3 1st Tool Normal Models

6-4

2nd

Tool

Z-scores, and Relative Frequencies

7-1 1st Video The Beanstalk Club
7-1

2nd

Tool

Heights of Husbands and Wives

7-1

3rd

Data Desk

Making and Understanding Scatterplots

7-2

1st

Tool

Direction, Form, and Strength

7-2

4th

Data Desk

Case Study:  Fuel efficiency in cars

7-2

6th

Data Desk

Two Quantitative Variables and One Categorical Variable

7-3

1st

Tool

Correlation

7-3

2nd

Data Desk

Correlation and Relationship Strength

7-3

3rd

Data Desk

Correlation and Linearity

7-4

1st

Tool

Construct Scatterplots with a Given Correlation

7-4

3rd

Data Desk

Case Study:  Mortality and Education

8-1

1st

Video

Motorboats and Manatees

8-1

2nd

Data Desk

Examining the Manatee Data

8-2

1st

Tool

Interpreting Equations

8-2

3rd

Data Desk

Find a regression equation with Data Desk

8-3

1st

Tool

Residuals

8-3

2nd

Tool

The Least Squares Criterion

8-3

3rd

Data Desk

Finding Least Squares Lines

9-2

1st

Tool

Case Study: Predicting Manatee

11-1

1st

Tool

Random Behavior

11-2

1st

Tool

Bigger Samples are Better

11-2

2nd

Tool

Estimating Summaries from Random Outcomes

11-2

3rd

Data Desk

Random Outcomes in Data Desk

12-1

2nd

Video

Frito-Lay Sampling for Quality

12-1

3rd

Data Desk

Sampling From Real Populations

12-2

1st

Tool

Statistics and Parameters

12-2

2nd

Tool

Notation for Parameters

12-3

2nd

Tool

The Literary Digest Poll and the Election of 1936

12-4

1st

Video

Biased Question Wording

13-1

1st

Video

An Industrial Experiment

13-2

1st

Tool

The Terminology in Designed Experiments

13-3

1st

Tool

Performing an Experiment

13-3

2nd

Data Desk

Graph the Data Collected in the Experiment

14-1

1st

Tool

What is Probability?

14-1

4th

Tool

Multiple Discrete Outcomes

14-2

2nd

Tool

The Addition Rule Disjoint Events.

14-2 3rd Tool Probabilities of Compound Events

15-1

1st

Tool

Birth Weights and Smoking

16-2

2nd

Tool

Means of Random Variables

16-2

4th

Tool

Understand that the Law of Large Numbers also describes the long-run behavior of averages of many outcomes

18-1

1st

Tool

The Sampling Distribution of the Proportion

18-1

2nd

Tool

Simulating Sampling Distributions

18-1

3rd

Tool

The Standard Deviation of a Proportion

18-1

5th

Simulation

Understand the Sampling Distribution of a Proportion 

19-1

3rd

Tool

Confidence Intervals for Proportions

19-1

4th

Tool

Balancing Precision and Certainty

19-1

5th

Tool

Assumptions and Conditions

19-2 1st Video Save the Bay

19-2

2nd

Tool

A confidence interval for Dissolved Oxygen

19-3

1st

Data Desk

Simulating Confidence

19-3 4th Tool The Importance of Sample Size

20-1

1st

Tool

Testing a Claim

20-1

2nd

Tool

The Reasoning of Hypothesis Testing

20-1

3rd

Tool

Was the Observed Outcome Unlikely?

20-2

1st

Tool

Practice with Testing Hypotheses about Proportions

20-2

3rd

Tool

The Alternative Hypothesis

21-1

1st

Video

Is there Evidence for Therapeutic Touch?

21-1

2nd

Tool

Hypothesis Tests are Random

21-1

3rd

Data Desk

Rejecting the Null Hypothesis

21-2

1st

Tool

Type I and Type II Errors

21-2

2nd

Tool

Hypothesis Tests Based on Statistics are Random

18-3

1st

Data Desk

The Central Limit Theorem

18-3 3rd Simulation The CLT for Real Data
23-1 1st Tool Estimating the Standard Error

23-1

2nd

Tool

The Student's t-Distribution

23-1

4th

Tool

Intuition for t based intervals

23-2

1st

Data Desk

Apply Student's t Confidence Intervals to real data

23-2

3rd

Tool

The Real Effect of Small Sample Size

23-3 1st Video Taste Testing for Sweetness

23-3

2nd

Tool

A t-test for Sweetness Loss

23-3

4th

Tool

Practice with Significance Tests

24-1

1st

Video

Can Diet Prolong Life?

24-1 2nd Pencil An Experiment to Study Diet and Longevity

24-1

3rd

Tool

Does Restricting Diet Prolong Life?

24-1

4th

Data Desk

Find two-sample t Confidence Intervals for Real Data

24-2

1st