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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<div style=\"border:1px solid black; padding:10px 10px;\">\n",
+    "    <strong>How People Learn - Autumn 2019-2020</strong><br/>\n",
+    "    C. Hardebolle, R. Tormey - CC BY NC SA 4.0 International<br/>\n",
+    "</div>"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Solution of the exercise\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**A. Getting familiar with the code.**\n",
+    "1. In the code cells above, where is the t-test computed?\n",
+    "1. What are the two parameters that the t-test function takes as input?\n",
+    "1. If you wanted to change the population mean to a different value, like $\\mu = 5.4$ cm for instance, in which cell would you change it? \n",
+    "1. What is the result of the t-test if you compare the Vullierens sample to a population mean of $\\mu = 5.4$ cm?\n",
+    "\n",
+    "*Change the value of $\\mu$ back to 5.552 before working on the following questions.*\n",
+    "\n",
+    "**B. Analyzing another dataset.**\n",
+    "\n",
+    "A researcher from Tokyo sends you the results of a series of measurements she has done on the Irises of the [Meiji Jingu Imperial Gardens](http://www.meijijingu.or.jp/english/nature/2.html). The dataset can be found in the `iris-sample2-meiji.csv` file.  \n",
+    "How similar (or different) is the Meiji sample compared to the Iris virginica population documented by Edgar Anderson?\n",
+    "\n",
+    "The following questions are designed to guide you in analyzing this new dataset using this notebook.\n",
+    "\n",
+    "1. Which of the code cells above loads the data from the file containing the Vullierens dataset? Modify it to load the Mejij dataset.\n",
+    "1. Do you need to modify anything else in the code to analyze this new dataset?\n",
+    "1. What can you conclude about the Meiji sample from this analysis?\n",
+    "\n",
+    "**C. Going a bit further in the interpretation of the t-test.**\n",
+    "1. In the code cells above, where is the cut-off point $\\alpha$ defined? Change its value to 0.01 and re-execute the notebook. \n",
+    "1. How does this affect the result of the t-test for the Meiji sample?"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}