Solution: (1) 45.5, 1006;
(2) As shown in the figure:
(3) The number of patents in Wuhu has grown from scratch. The number of annual patents is increasing rapidly. (It must be discussed around patent data)
(1) The solution can be solved by using the concepts of median and range;
(2) Draw the graph according to the specific steps of drawing a line chart. Yes;
(3) Open questions, just provide a reasonable description based on the information obtained in the picture.