t co"><span class="r-pr">#&gt;</span> alternative hypothesis: true difference in means between group private and group public is not equal to 0</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 95 percent confidence interval:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  -0.5345122  5.9878455</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> sample estimates:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> mean in group private  mean in group public </s