Merge pull request #94 from gperdrizet/dev

Cleaned up and made minor edits

Author: gperdrizet

notebooks/unit2/lesson_12/Lesson_12_linear_algebra_demo.ipynb

@@ -5,18 +5,17 @@
    "id": "a84cb8e6",
    "metadata": {},
    "source": [
-    "# Statistics fundamentals demo"
+    "# Statistics fundamentals demo: data types"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "id": "aa9132ba",
    "metadata": {},
    "outputs": [],
    "source": [
     "import matplotlib.pyplot as plt\n",
-    "import numpy as np\n",
     "import pandas as pd\n",
     "import seaborn as sns"
    ]
@@ -178,7 +177,7 @@
    "source": [
     "## Statistical data types\n",
     "\n",
-    "### 1. Discrete vs Continuous Random Variables\n",
+    "### 1. Discrete vs continuous random variables\n",
     "\n",
     "Before discussing measurement scales, let's understand the fundamental distinction between discrete and continuous variables."
    ]