(1) The number of TV newspapers sold on Saturday is the largest, and the number sold on Monday is the least.

(2) I found that the sales of TV newspapers on weekends are better. I suggest adding more TV newspapers on weekends.

(3) 4 copies on Monday, 8 copies on Tuesday, 8 copies on Wednesday 12, 8 copies on Thursday, 28 copies on Saturday and 24 copies on Sunday.

Bar chart: a unit length is used to represent a certain quantity, and according to this quantity, it is drawn into straight bars with different lengths, and then these straight bars are arranged in a certain order. It is easy to see various numbers from the bar chart. Bar charts are generally called bar charts, also called bar charts or bar charts. Bar charts are divided into bar charts and composite bar charts, which are composed of various data and marked with different colors.