An item which the teacher should use to graphically show the results of the student's favorite food is a frequency table.
A frequency table refers to a type of table which can be used to graphically represent (show) the frequencies or relative frequencies that are associated with a categorical variable.
For instance, a two-way frequency table for the favorite food of these students can be be constructed as follows:
Gender Favorite food Frequency Total
Male Yam 5 5
Female Beans 10 10
In conclusion, a frequency table is an item which the teacher should use to graphically show the results of the student's favorite food.
Read more on frequency table here: https://brainly.com/question/20744563
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