Question

You want to conduct a survey of how many hours of music your classmates listen to, on average, each day. Which is the BEST method to collect the data for this survey? A) Ask the classmates who attend all of the concerts in the area. B) Ask your classmates how many hours of music they listen to each day. C) Watch your classmates and keep a record of when you see them listening to music. D) Have your classmates keep a written record of how many hours they listen to music each day.

Answer 1

D. Have the computer randomly generate 100 customers from his database and survey them.

Step-by-step explanation:

Answer 2

I think its D? I don't think its A because just because people attend concerts once in while, doesn't show effectively how much the classmates listen to, on average, each day. I don't think its B because some people might not know how long they listen to music each day, and plus, its not efficient to ask each person manually. I don't think its C because you might not see them listening to music at least sometimes, so it wouldn't be very accurate. So, by process of elimination, I think its D...
Hope this helps.