By randomly reassigning points to clusters</label></li>
                <li><label><input type="radio" name="q3" value="1"> b) By assigning each point to the cluster whose current centroid is closest</label></li>
                <li><label><input type="radio" name="q3" value="2"> c) By moving the cluster centroids to random new locations</label></li>
                <li><label><input type="radio" name="q3" value="3"> d) By merging the two closest clusters</label></li>
            </ul>
            <div clas