ss="sc">*</span> <span class="fl">1.8</span> <span class="sc">+</span> <span class="dv">32</span>)</span>
<span id="cb17-15"><a href="get-started.html#cb17-15" tabindex="-1"></a></span>
<span id="cb17-16"><a href="get-started.html#cb17-16" tabindex="-1"></a><span class="do">## calculate the mean count across all observations</span></span>
<span id="cb17-17"><a href="get-started.html#cb17-17" tabindex="-1"></a><span class="fu">summarize</span>(bikes, <span class="at">count_avg =</span> <span class="fu">mean<