 Error Std. Dev. 95% CI    </span></span>
<span><span class="co">## var1 735 160  1.13       30.7      [158, 162]</span></span>
<span><span class="co">## </span></span>
<span><span class="co">##  Ho:  mean = 155 ; </span></span>
<span><span class="co">##  Ha:  mean != 155 </span></span>
<span><span class="co">##  t = 4.365 , df = 734 </span></span>
<span><span class="co">##  Pr(|T| &gt; t) =  1.45125e-05</span></span></code></pre>
<p>The result is the same as that provided by
<code>ttest(mri$weight, null.hy