> b) Each column must sum to 1</label></li>
                <li><label><input type="radio" name="q8" value="2"> c) Each row must have exactly one 1 and the rest 0s</label></li>
                <li><label><input type="radio" name="q8" value="3"> d) Each column must have exactly one 1 and the rest 0s</label></li>
            </ul>
            <div class="feedback" id="feedback8"></div>
        </div>

        <div class="question">
            <p>Why is standardization often applied to data before running k-m