Final answer:
To find the number summary, arrange the data in ascending order and identify the minimum value, first quartile, median, third quartile, and maximum value. Create a box and whisker plot to visualize the number summary.
Step-by-step explanation:
To find the number summary for the given data: 3, 3, 5, 9, 9, 9, 12, 12, 12, 13, 15, 16, 17, you need to arrange the data in ascending order. The number summary consists of the minimum value, first quartile, median (second quartile), third quartile, and maximum value. The minimum value is 3, the first quartile is 9, the median is the average of the 6th and 7th terms which is (9 + 12) / 2 = 10.5, the third quartile is 15, and the maximum value is 17.
A box and whisker plot is a graphical representation of the number summary. The box represents the interquartile range (Q1 to Q3) and the whiskers represent the range of the data. The plot would look like this: