and you have just been hired by a large food manufacturing company to investigate rising customer complaints on their top selling SKU, a packaged cookie product. Their top selling SKU is a 350g package of Classic Chocolate Chip cookies, produced in three different factories across Canada. Below is a rough process flow of the manufacturing and distribution process: The company has provided you with some quality data, including customer complaint information and sample data of oven temperatures from their Toronto facility. They are including the oven temperature data because they strongly suspect this may be linked to complaints of perceived "staleness" from incorrect temperature control