11.ketidakpastian.ipynb

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   "source": [
    "import math\n",
    "\n",
    "def hitung_rata_rata(data):\n",
    "    n = len(data)\n",
    "    total = sum(data)\n",
    "    rata_rata = total / n\n",
    "    return rata_rata\n",
    "\n",
    "def hitung_standar_deviasi(data):\n",
    "    n = len(data)\n",
    "    rata_rata = hitung_rata_rata(data)\n",
    "    selisih_kuadrat = [(x - rata_rata) ** 2 for x in data]\n",
    "    total_selisih_kuadrat = sum(selisih_kuadrat)\n",
    "    varian = total_selisih_kuadrat / (n - 1)\n",
    "    standar_deviasi = math.sqrt(varian)\n",
    "    return standar_deviasi"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[176.6, 176.5, 177.3, 176.7, 177.4]\n"
     ]
    }
   ],
   "source": [
    "data = [176.6,\n",
    "176.5,\n",
    "177.3,\n",
    "176.7,\n",
    "177.4]\n",
    "\n",
    "print(data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "ratarata = hitung_rata_rata(data)\n",
    "std = hitung_standar_deviasi(data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "176.90000000000003\n",
      "0.4183300132670446\n"
     ]
    }
   ],
   "source": [
    "print(ratarata)\n",
    "print(std)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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