Update ExtendedData.ipynb

typo fix

Author: mirams

ExtendedData.ipynb

@@ -257,7 +257,7 @@
    "source": [
     "##### B.3 Regression checks\n",
     "\n",
-    "Here we calculated the rundown rate predicetd by the model and used it to estimate the residuals.\n",
+    "Here we calculated the rundown rate predicted by the model and used it to estimate the residuals.\n",
     "These were then used to check four assumptions of performing a multi-linear regression.\n",
     "\n",
     "1. Linearity: Ideally the scatter plot of predicted versus actual values should lie exactly on a diagnol. While this is not completely true for the plot shown in this section, the variation is horizontally on both sides of the diagnol which is expected given that temperature and INaCa are used as discrete rather than continuous variables.\n",