     </div>

        <div class="question">
            <p>The \( k \)-means objective function is a measure of what?</p>
            <ul class="options">
                <li><label><input type="radio" name="q2" value="0"> a) The total number of clusters.</label></li>
                <li><label><input type="radio" name="q2" value="1"> b) The average distance between data points.</label></li>
                <li><label><input type="radio" name="q2" value="2"> c) The sum of squared distances between each data