Because a Statistical question is a question that have a vary of answers that can be answered by collecting data. A non-statistical question is a question that can be answered with ONE answer. For an example of non-statical is how much does that brick weigh. A is correct because it has variety of answers and and is also answered by collecting data
because depending on whether he is a competitor seller go's by the competition prices they might want to know how low is his cheapest shirt they might want to know which one is cheaper, and he would also keep track of his sales
