<p>No, it means that of those who responded, 55% are employed, 31% are in graduate school, 7% are unemployed, and 7% are “other”.</p>
<p>Obviously, the limitation is that no information is available for the approximately half of graduates who did not respond; it would not be safe to assume that they are either employed or unemployed.</p>
<p>Of course, that is still better than Harvard, which does not seem to make any career survey information available in an obvious place (putting “career survey” in the search box yields nothing useful).</p>