- The Joy of Stats video: Hans Rosling shows lots of great ways to present data. Don’t miss the segment “200 Countries, 200 Years, 4 Minutes”, also available separately.
- Just for fun: Self Description — self-referential graphs
- The Best Stats You’ve Ever Seen video: Hans Rosling uses descriptive stats to explode the myth of First World and Third World.
- MATH200A Program — Basic Statistics Utilities for TI-83/84 can be used to make histograms and box-whisker plots.
- ticalc.org has five programs to make pie charts. Though I haven't evaluated them in depth, PIEGRAPH.ZIP looks most interesting based on the screen shots.
- stemleaf.zip (1 KB) is a TI-83/84 program that makes stemplots.
- Box-Whisker Plots on TI-83/84 and Box-Whisker Plots on TI-89
- Normality Check and Finding Outliers in Excel doesn’t make the box-whisker plot, but finds outliers numerically.
- Measures of Shape: Skewness and Kurtosis

- Scatterplot, Correlation, and Regression on TI-89 and How to Find
*ŷ*from a Regression on TI-89

Alternative for the TI-83/84: Scatterplot, Correlation, and Regression on TI-83/84 - (
*advanced*) How do we know there’s one best line? How does the calculator know what it is? See Least Squares — the Gory Details. - (
*advanced*) Inferences about Linear Correlation, with Excel workbook

Alternative for the TI-83/84: MATH200B part 6 - Correlation Coefficients of Random Numbers
explains how you can generate a set of (
*x*,(*y*) pairs that are correlated with a desired*r*. - If two random variables are each correlated to a third, how are they correlated to each other? Dr. Math’s Two Random Variables, Each Correlated to a Third answers that.
- (
*advanced*) Inferences about Linear Regression, with Excel workbook

Alternative for the TI-83/84: MATH200B part 7

- Extended examples of probability:
- Application of false positives: Probability and the war on terror, by Sam Savage and Howard Wainer. A downloadable False Positives Calculator is included.
- (
*advanced*) A fascinating application of probability is Benford’s Law at Mathworld. - MATH200A Program — Basic Statistics Utilities for TI-83/84 can be used to make probability histograms and compute probabilities for the binomial distribution.
- Binomial Probability Distribution on TI-89
- Normal Calculations on TI-83/84 or TI-89
- Normality Check on TI-83/84, if you don’t have the MATH200A program
- Normality Check on TI-89
- Normality Check and Finding Outliers in Excel
- What is a normal distribution? by Steve Simon gives an overview with diagrams. Near the bottom of the page there’s a downloadable spreadsheet that draws normal distributions.

- Sample Variability Lab (Roulette)
*video:*Viewer’s Guide to Against All Odds Part 18, “The Sample Mean and Control Charts”- The Behavior of the Sample Mean by Gerald Dallal — pictures show how sample means are distributed and why that distribution is different from the shape of the population.
- Inferential Statistics Cases
- Triage: Which Inferential Stats Case Should I Use?
- For more about finding necesary sample size, see How Big a Sample Do I Need?
- M&Ms Lab: Inferences for One Population
- To compute confidence intervals about or test hypotheses about σ, the population standard deviation, see MATH200B Program part 5 or Inferences about One-Population Standard Deviation.
- Top 10 Mistakes of Hypothesis Tests
- Can you estimate or test difference of proportions of voters who favor A or B when there are also undecided voters? See Mike's 2-Sample Proportion Problem.
- How to Test Goodness of Fit on TI-83/84
- How to Test Goodness of Fit on TI-89
- (
*advanced*) Confidence Intervals for Goodness of Fit, with Excel workbooks - (
*advanced*) Inferences about Linear Correlation, with Excel workbook

Alternative for the TI-83/84: MATH200B part 6 - (
*advanced*) Inferences about Linear Regression, with Excel workbook

Alternative for the TI-83/84: MATH200B part 7 - (
*advanced*) Inferences about One-Population Standard Deviation, with Excel workbook; there’s also a TI-83/84 procedure at MATH200B Program part 5. - (
*advanced*) One-Way ANOVA

- UCLA Statistics Case Studies — real-life applications you can work yourself.
- On-line statistics courses:
- NIST/SEMATECH e-Handbook of Statistical Methods, aimed at science and engineering.
- HyperStat Online Statistics Textbook by David Lane of Rice U, with cartoons!
- Little Handbook of Statistical Practice by Gerald Dallal of Tufts U, with examples from nutrition and medicine.

- Excel and your calculator generate pseudo-random numbers,
but Random.org
has lots of
**true random number generators**, including numbers, coin flips, and dice rolls.

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