On a typical day, a florist shop sells 12 floral arrangements. The data shows the number of floral arrangements sold by the shop on each day for 4 weeks. Week 1: 11, 10, 3, 13, 11, 10, 12
Week 2: 13, 11, 12, 12, 15, 10, 9
Week 3: 7, 8, 6, 7, 8, 5, 4
Week 4: 14, 11, 10, 12, 23, 13, 12

For which week would the mean of the shop's sales be a good estimate of the florist shop's daily sales throughout the year?