introduction_to_DA.ipynb

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    "# Coding exercises\n",
    "Exercises 1-3 are thought exercises that don't require coding. If you need a Python crash-course/refresher, work through the [`python_101.ipynb`](./python_101.ipynb) notebook in chapter 1.\n",
    "\n",
    "## Exercise 4: Generate the data by running this cell\n",
    "This will give you a list of numbers to work with in the remaining exercises."
   ]
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    "import random\n",
    "\n",
    "random.seed(0)\n",
    "salaries = [round(random.random()*1000000, -3) for _ in range(100)]"
   ]
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   "source": [
    "## Exercise 5: Calculating statistics and verifying\n",
    "### mean"
   ]
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    "### median"
   ]
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    "### mode"
   ]
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    "### sample variance\n",
    "Remember to use Bessel's correction."
   ]
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    "### sample standard deviation\n",
    "Remember to use Bessel's correction."
   ]
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    "## Exercise 6: Calculating more statistics\n",
    "### range"
   ]
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    "### coefficient of variation\n",
    "Make sure to use the sample standard deviation."
   ]
  },
  {
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    "### interquartile range"
   ]
  },
  {
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  },
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   "source": [
    "### quartile coefficent of dispersion"
   ]
  },
  {
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   "execution_count": null,
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  },
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   "source": [
    "## Exercise 7: Scaling data\n",
    "### min-max scaling"
   ]
  },
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    "### standardizing"
   ]
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   "source": [
    "## Exercise 8: Calculating covariance and correlation\n",
    "### covariance"
   ]
  },
  {
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    "### Pearson correlation coefficient ($\\rho$)"
   ]
  },
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    "<hr>\n",
    "<div style=\"overflow: hidden; margin-bottom: 10px;\">\n",
    "    <div style=\"float: left;\">\n",
    "        <a href=\"./python_101.ipynb\">\n",
    "            <button>Python 101</button>\n",
    "        </a>\n",
    "    </div>\n",
    "    <div style=\"float: right;\">\n",
    "        <a href=\"../../solutions/ch_01/solutions.ipynb\">\n",
    "            <button>Solutions</button>\n",
    "        </a>\n",
    "        <a href=\"../ch_02/1-pandas_data_structures.ipynb\">\n",
    "            <button>Chapter 2 &#8594;</button>\n",
    "        </a>\n",
    "    </div>\n",
    "</div>\n",
    "<hr>"
   ]
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