An owner of an ice cream shop wants to determine the factors that affect ice cream sales in a day. Over y days, he calculates the sales in the store. The main factors he considers are the temperature that day and whether it is sunny or rainy. What are the factors that the owner is trying to determine?
1) The number of customers in the store
2) The price of the ice cream
3) The advertising strategy of the shop
4) The location of the shop
