an>
<span><span class="co">## </span></span>
<span><span class="co">## One-sample t-test :</span></span>
<span><span class="co">##  </span></span>
<span><span class="co">## Summary:</span></span>
<span><span class="co">##  Variable Obs Missing Mean Std. Err. Std. Dev.     90% CI</span></span>
<span><span class="co">##   mri$ldl 735      10  126      1.25      33.6 [124, 128]</span></span>
<span><span class="co">## </span></span>
<span><span class="co">##  Ho:  mean = 125 ; </span></span>
<span><span class="