Molly's Candie Shop has several retail stores in the coastal areas of North and South Carolina. Many of Molly's customers ask her to ship their purchases. The following chart shows the number of packages shipped per day for the last 100 days. For example, the first class shows that there were 5 Slays when the number of packages shipped was up to 5. 30 28 23 20 18 Frequency 13 10 10 5 3 0 5 10 30 35 15 20 25 Number of Packages a. What is this chart called? bar chart-3 (choose 1.2 or 3) 1.Frequency polygon 2. Histogram 3. Barchart b. How many total days were packages shipped