You can download the data needed for this assignment at:
- When is the most frequent ad-posting time? ( for example Sunday 7:00 PM)
- draw the barplot of the number of posts on each day of the week.
- How many antiques and art advertisements has been uploaded from Isfahan?
- How much is the average price?
- Compute the average price based on cat1 and cat2.
- Which category of advertisements is the most expensive?
Draw a barplot to show the average price for mobile phone brands