Given the following data set of $32$ exam scores, construct a frequency distribution and frequency histogram using $8$ classes.
$56$, $78$, $62$, $90$, $85$, $73$, $68$, $81$, $95$, $77$, $64$, $88$, $70$, $83$, $60$, $92$, $80$, $75$, $67$, $86$, $72$, $79$, $65$, $89$, $74$, $84$, $61$, $93$, $69$, $87$, $66$, $82$