feat(latex)

Author: rinman57

hypothesis_testing/hypothesis_testing.ipynb

@@ -272,8 +272,15 @@
         "> $$\n",
         "> H_a: \\mu > 7{,}500{,}000 \\quad \\text{(the salary is more than \\$7.5M)}\n",
         "> $$\n",
-        ">\n",
-        "> We use \\$7.5M so the test statistic and p-value stay in a range that is easy to read in decimals. Testing far below the sample mean (for example, testing \\(H_a: \\mu > 5{,}000{,}000\\) when the sample mean is near \\$8.45M) gives a very large \\(t\\) and a p-value near \\(10^{-12}\\), which is correct but often appears as \"0.0000\" when rounded to four decimals."
+        ">"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "id": "9671279b",
+      "metadata": {},
+      "source": [
+        "**Why \\$7.5M here?** We use \\$7.5M so the test statistic and p-value stay in a range that is easy to read in decimals. Testing far below the sample mean (for example, testing $H_a: \\mu > 5{,}000{,}000$ when the sample mean is near \\$8.45M) gives a very large $t$ and a p-value near $10^{-12}$, which is correct but often appears as \"0.0000\" when rounded to four decimals."
       ]
     },
     {