# List of posts

- #93 Twenty-one questions about USCOTS ’21 (April 12, 2021)
- #92 What can you do? (April 5, 2021)
- #91 Still more final exam questions (March 29, 2021)
- #90 Two more final exam questions (March 22, 2021)
- #89 An exam question (March 15, 2021)
- #88 It’s about time, part 2 (March 8, 2021)
- #87 It’s about time, part 1 (March 1, 2021)
- #86 Cars, dogs, tweets (February 22, 2021)
- #85 Three assignments in one (February 15, 2021)
- #84 Giving oral exams (by Paul Roback and Kelly McConville; February 8, 2021)
- #83 Better, not necessarily good (February 1, 2021)
- #82 Power, part 3 (January 25, 2021)
- #81 Power, part 2 (January 18, 2021)
- #80 Power, part 1 (January 11, 2021)
- #79 No blog post today (January 4, 2021)
- #78 Two fun (and brief) items (December 28, 2020)
- #77 Discussing data ethics (by Soma Roy; December 21, 2020)
- #76 Strolling into serendipity (December 14, 2020)
- #75 More final exam questions (December 7, 2020)
- #74 A sneaky quiz (November 30, 2020)
- #73 No notes needed (November 23, 2020)
- #72 Trade-offs (November 16, 2020)
- #71 An SBI quiz (November 9, 2020)
- #70 Batch testing, part 2 (November 2, 2020)
- #69 More probability questions (October 26, 2020)
- #68 Knowing or guessing? (October 19, 2020)
- #67 Interviews (October 12, 2020)
- #66 First step of grading exams (October 5, 2020)
- #65 Matching variables to graphs (September 28, 2020)
- #64 My first week (September 21, 2020)
- #63 My first video (September 14, 2020)
- #62 Moral of a silly old joke (September 7, 2020)
- #61 Text as data (by Dennis Sun; August 31, 2020)
- #60 Reaching students online (by Kelly Spoon; August 24, 2020)
- #59 Popularity contest (by Anna Fergusson; August 17, 2020)
- #58 Ladybugs and lizards: illustrating the role of questioning (by Chris Franklin; August 10, 2020)
- #57 Some well-meaning but misguided questions (by Emily Tietjen; August 3, 2020)
- #56 Two questions to ask before making causal conclusions (by Kari Lock Morgan; July 27, 2020)
- #55 Classroom assessment with clicker questions (by Roxy Peck; July 20, 2020)
- #54 Probability without calculus or computation (by Kevin Ross; July 13, 2020)
- #53 Random champions (by Josh Tabor; July 6, 2020)
- Simulation-based inference

- #52 Top thirteen topics (June 29, 2020)
- #51 Randomness is hard (June 22, 2020)
- Law of total probability

- #50 Which tire? (June 15, 2020)
- Binomial distribution, effect of sample size, chi-square test

- #49 My favorite problem, part 3 (June 8, 2020)
- #48 My favorite problem, part 2 (June 1, 2020)
- #47 My favorite problem, part 1 (May 25, 2020)
- #46 How confident are you? part 3 (May 18, 2020)
*t*-interval, technical conditions, plus-four method

- #45 Simulation-based inference, part 3 (May 11, 2020)
- Comparing two groups with numerical response

- #44 Confounding, part 2 (May 4, 2020)
- #43 Confounding, part 1 (April 27, 2020)
- Confounding variables, observational studies

- #42 Hardest topic, part 2 (April 20, 2020)
- Sampling distributions

- #41 Hardest topic, part 1 (April 13, 2020)
- Sampling variability, sampling distributions

- #40 Back to normal (April 6, 2020)
- Normal distributions, classification errors

- #39 Batch testing (March 30, 2020)
- Discrete random variable, expected value

- #38 Questions from prospective teachers (March 23, 2020)
- #37 What’s in a name? (March 16, 2020)
- Statistical tendency, regression

- #36 Nearly normal (March 9, 2020)
- Normal distributions

- #35 Statistics of illumination, part 4 (March 2, 2020)
- Multivariable thinking

- #34 Reveal human progress, part 2 (Feb 24, 2020)
- Trends, extrapolation, binomial distribution

- #33 Reveal human progress, part 1 (Feb 17, 2020)
- #32 Create your own example, part 2 (Feb 10, 2020)
- Confidence intervals, hypothesis tests

- #31 Create your own example, part 1 (Feb 3, 2020)
- Properties of mean, median, IQR, SD, correlation

- #30 Minimize what? (Jan 27, 2020)
- Measures of center, least squares

- #29 Not enough evidence (Jan 20, 2020)
- Logic of hypothesis testing, fallacy of the converse

- #28 A pervasive pet peeve (Jan 13, 2020)
- Percentage difference, relative risk

- #27 Simulation-based inference part 2 (Jan 6, 2020)
- Comparing two groups with categorical response

- #26 Group quizzes, part 2 (Dec 30, 2019)
- #25 Group quizzes, part 1 (Dec 23, 2019)
- #24 Random rendezvous, part 2 (Dec 16, 2019)
- Normal distributions, combining random variables

- #23 Random rendezvous, part 1 (Dec 9, 2019)
- Probability, simulation, geometry

- #22 Four more exam questions (Dec 2, 2019)
- Free response questions

- #21 Twenty final exam questions (Nov 25, 2019)
- Multiple choice conceptual questions

- #20 Lincoln and Mandela, part 2 (Nov 18, 2019)
- Random assignment vs. random sampling

- #19 Lincoln and Mandela, part 1 (Nov 11, 2019)
- Sampling bias, random sampling

- #18 What do you expect? (Nov 4, 2019)
- Expected value, long-run average

- #17 Random babies (Oct 28, 2019)
- Simulation, probability, long-run

- #16 Questions about cats (Oct 21, 2019)
- Statistical significance vs. practical importance

- #15 How confident are you? part 2 (Oct 14, 2019)
- Confidence interval vs. prediction interval

- #14 How confident are you? part 1 (Oct 7, 2019)
- #93 TeConfidence level, effect of sample size

- #13 A question of trust (Sept 30, 2019)
- Simulation-based inference,
*z*-test, binomial*p*-value

- Simulation-based inference,
- #12 Simulation-based inference, part 1 (Sept 23, 2019)
- Strength of evidence,
*p*-value

- Strength of evidence,
- #11 Repeat after me (Sept 16, 2019)
- Observational units, variables

- #10 My favorite theorem (Sept 9, 2019)
- Reverse conditional proportions, Bayes Thm

- #9 Statistics of illumination, part 3 (Sept 2, 2019)
- Statistical thinking: signal amidst noise

- #8 End of alphabet (Aug 26, 2019)
*z*-scores, measuring distance by number of SDs

- #7 Two dreaded words, part 2 (Aug 19, 2019)
- Standard deviation (real data)

- #6 Two dreaded words, part 1 (Aug 12, 2019)
- Standard deviation (conceptual questions)

- #5 A below-average joke (Aug 5, 2019)
- Properties of averages

- #4 Statistics of illumination, part 2 (July 29, 2019)
- Statistical thinking in terms of distributions

- #3 Statistics of illumination, part 1 (July 22, 2019)
- Statistical thinking, confounding variable, Simpson’s paradox

- #2 My favorite question (July 15, 2019)
- Measuring skewness, simulation-based inference

- #1 Ten questions about this blog (July 8, 2019)