C; All containers of the suspected brand of oatmeal stored at the selected store
Here, we want to select the option that clearly declares the sample of the study
The sample space simply refers to the population from which we conduct our study
From the question, the weighing is on the 10th container off the shelf for every store
This mean that;
The sample space is simply all coatiners of the suspected brand of oatmeal sored at the selected stores
This is because we are capable of getting the result from any of these containers