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The data the t-test was invented on

Extra hours of sleep in eleven patients under each of four treatments, with mean and standard error. Student's worked example from 1908.

The data the t-test was invented on

Source

Svelte, builder, JSON

<script lang="ts">
  import {
    GeomErrorbar,
    GeomPoint,
    GGPlot,
    Labs,
    ScaleXDiscrete,
    ThemeHrbr,
  } from "@ggsvelte/svelte";

  import { soporifics } from "./data.js";
</script>

<GGPlot
  data={soporifics}
  aes={{ x: "drug", y: "extraSleep" }}
  width={640}
  height={400}
>
  <ThemeHrbr />
  <ScaleXDiscrete
    domain={["Control", "L-hyoscyamine", "L-hyoscine", "DL-hyoscine"]}
  />
  <Labs
    title="The data the t-test was invented on"
    subtitle="Cushny and Peebles, 1905: extra hours of sleep in eleven patients (mean ± se)"
    x="Treatment"
    y="Extra sleep (hours)"
  />
  <GeomPoint
    position="jitter"
    positionParams={{ width: 0.12, height: 0, seed: 7 }}
    alpha={0.4}
    size={2.4}
  />
  <GeomErrorbar stat="summary" width={0.35} linewidth={1.5} />
</GGPlot>

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Statistical summaries
Source
errorbar/mean-se
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SVG
Techniques

errorbar · summary · mean-se · jitter