le, a 1-5 Likert scale made from 5 items (questions) or 0-10
likelihood-of-purchase scale.</p>
    </div>

    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">lfast</span><span class="op">(</span><span class="va">n</span>, <span class="va">mean</span>, <span class="va">sd</span>, <span class="va">lowerbound</span>, <span class="va">upperbound</span>, i