Fix typos in homework1

chapters/homework/homework1.ipynb

@@ -134,7 +134,7 @@
    "source": [
     "## Q4: Test the goodness-of-fit (30 marks)\n",
     "\n",
-    "In this task, you will compare how different distributions fit the same dataset and interpret the results using both statistical analyses. \n",
+    "In this task, you will compare how different distributions fit the same dataset and interpret the results using statistical analyses. \n",
     "- Repeat the distribution fitting as in Q2, but this time using a [normal distribution](https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.norm.html) and the Maximum Likelihood method. (5 marks)\n",
     "- Use the Kolmogorov-Smirnov (KS) test to evaluate the goodness-of-fit for both the normal distribution and the GEV distribution you obtained in Q2. (Details on the KS test can be found in the [Scipy tutorial](https://xiaoganghe.github.io/python-climate-visuals/chapters/data-analytics/scipy-basic.html)) (10 marks)\n",
     "- Based on the KS test results, discuss how well each distribution (Normal and GEV) fits the data. (15 marks)\n",