Each day of Spirit Week at Alek's school, students have the option of dressing up according to a different theme. On Tuesday of Spirit Week, Alek recorded the number of students at his school by class and style of dress. Here is his data:
| Dressed for Spirit Week | Dressed normally | Total
-|-|-
Freshman | $175$ | $73$ | $248$
Sophomore | $160$ | $38$ | $198$
Junior | $184$ | $47$ | $231$
Senior | $177$ | $3$ | $180$
Total | $696$ | $161$ | $857$
**What distribution in the data is shown in the graph below?**

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