- Thu Jan 07, 2021 7:04 pm
#83043
Hi jk,
You want to think broadly about what the right answer should do, not get tied in to particular situations which may or may not occur. So while it's true that if a bacterial strain lessened all yogurt sales (but not milk sales) that would explain our paradox, it's not required to be a bacterial strain. We are just looking for anything to differentiate the situation with yogurt at this store vs. how we see yogurt sales/milk sales typically respond to advertisements. The key is that we are looking for a difference, an explanatory reason that sales are not behaving as expected.
That's what answer choice (D) does for us. It says that yogurt sales are sharply decreasing across the country. That would explain why we are seeing lower than expected sales of yogurt in this store. We don't need a specific reason sales are decreasing. The fact that they are decreasing is enough to resolve this paradox.
Hope that helps
You want to think broadly about what the right answer should do, not get tied in to particular situations which may or may not occur. So while it's true that if a bacterial strain lessened all yogurt sales (but not milk sales) that would explain our paradox, it's not required to be a bacterial strain. We are just looking for anything to differentiate the situation with yogurt at this store vs. how we see yogurt sales/milk sales typically respond to advertisements. The key is that we are looking for a difference, an explanatory reason that sales are not behaving as expected.
That's what answer choice (D) does for us. It says that yogurt sales are sharply decreasing across the country. That would explain why we are seeing lower than expected sales of yogurt in this store. We don't need a specific reason sales are decreasing. The fact that they are decreasing is enough to resolve this paradox.
Hope that helps