20th June 2025

Author: HammadAli08

Data Science 2.ipynb

@@ -1,12 +1,121 @@
 {
  "cells": [
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-06-20T10:09:41.037595Z",
+     "start_time": "2025-06-20T10:09:41.031579Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "import numpy as np\n",
+    "import pandas as pd\n",
+    "import matplotlib.pyplot as plt\n",
+    "import seaborn as sns\n",
+    "import scipy.stats as st"
+   ],
+   "id": "5d3a57e53b5d4959",
+   "outputs": [],
+   "execution_count": 3
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-06-20T10:09:43.158259Z",
+     "start_time": "2025-06-20T10:09:42.595539Z"
+    }
+   },
+   "cell_type": "code",
+   "source": "first_data=pd.read_csv(\"/home/hammadali08/Videos/Moviesdata.csv\")",
+   "id": "e97ebfb132d5d71b",
+   "outputs": [],
+   "execution_count": 4
+  },
+  {
+   "metadata": {},
+   "cell_type": "markdown",
+   "source": "                                Hypothesis T test(uses when number of data is less than 30)",
+   "id": "75d490a97b674d70"
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-06-20T10:09:44.619885Z",
+     "start_time": "2025-06-20T10:09:44.614932Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "pop_mean=150\n",
+    "n_data=25\n",
+    "sample_mean=148\n",
+    "sample_std=5\n",
+    "alpha=0.05"
+   ],
+   "id": "f80e11c6dd45152a",
+   "outputs": [],
+   "execution_count": 5
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-06-20T10:09:45.285434Z",
+     "start_time": "2025-06-20T10:09:45.277183Z"
+    }
+   },
+   "cell_type": "code",
+   "source": "t_table=(st.t.ppf(alpha,n_data-1))",
+   "id": "69f81a66d9557222",
+   "outputs": [],
+   "execution_count": 6
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-06-20T10:09:45.988490Z",
+     "start_time": "2025-06-20T10:09:45.983877Z"
+    }
+   },
+   "cell_type": "code",
+   "source": "T_test=(sample_mean-pop_mean)/(sample_std/np.sqrt(n_data))",
+   "id": "d1c1559acf4f5170",
+   "outputs": [],
+   "execution_count": 7
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2025-06-20T10:09:46.576040Z",
+     "start_time": "2025-06-20T10:09:46.569050Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "if t_table<T_test:\n",
+    "    print(\"Ho is Right\")\n",
+    "else:\n",
+    "    print(\"Ha is right\")"
+   ],
+   "id": "d8d0e3d5efd2b593",
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Ha is right\n"
+     ]
+    }
+   ],
+   "execution_count": 8
+  },
   {
    "metadata": {},
    "cell_type": "code",
    "outputs": [],
    "execution_count": null,
    "source": "",
-   "id": "5d3a57e53b5d4959"
+   "id": "aae5b8c7d26159be"
   }
  ],
  "metadata": {