Outliers

  Today's lecture included the topic of outliers. How is a graph changed when and outlier is included or excluded? Since outliers deal with extremes they often bring up political and social issues. The example from class was of salaries at a hypothetical company where the CEO made more then three times as much as […]

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Video links for STAT students.

Dear class, Not all YouTube math videos are created equal!! I will post links to the most useful ones here:   Confidence Intervals: Introduction to confidence intervals When sigma is known When sigma is unknown   Central Limit Theorem: Main idea. Another Example.   If you want me to post more post a comment about […]

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Young, cheap tuo cha showdown!

Can a cheap pu'erh be good? Is it possible to buy cheap tea and age it in to something amazing? Most say "no" --but that won't put me off from trying. The first step is to taste young teas so that one can better understand the aging process. I put three teas (all inexpensive young […]

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Living with worms in a small apartment

Earthworms like the common "red wriggler" composting worm can live for up to 6 years. They reproduce every 7 days laying a "pod" with 3-6 baby worms. Hence, a long-lived worm that's highly reproductive can produce 1,000-2,000 babies. That seems like a small number after all of those ads about the danger of un-spayed and […]

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Garden of lost feathers: Highbridge park, 1978

Bundles clustered in the flickering head, in the light-weight feathered-skull they multiply. In this he saw hope for the hair-twirlers, for muttering mad shufflers in day-lit hallways shaking (his) tethered, floppy long-sleeved hands. Once, in the green, when the graffiti was different, once, under a hundred or so brushed layers of paint, from The City […]

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