Question: when is a stem and leaf plot used
[{'answer': 'in exploratory data analysis', 'provenance': [{'wikipedia_id': '977649', 'title': 'Stem-and-leaf display', 'start_paragraph_id': 1, 'start_character': 270, 'end_paragraph_id': 1, 'end_character': 298, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'for presenting quantitative data in a graphical format'}, {'answer': 'to assist in visualizing the shape of a distribution'}, {'provenance': [{'wikipedia_id': '977649', 'title': 'Stem-and-leaf display', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 705, 'bleu_score': 0.9605459459520521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7157853407443143179}, 'section': 'Section::::Abstract.'}]}]