5.18 Paired or not, Part II?: In each of the following scenarios, determine if the data are paired. (a) We would like to know if Intel's stock and Southwest Airlines' stock have similar rates of return. To find
out, we take a random sample of 50 days, and record Intel's and Southwest's stock on those same days.
O not paired
O paired I
(b) We randomly sample 50 items from Target stores and note the price for each. Then we visit Walmart
and collect the price for each of those same 50 items.
paired
not paired