Question

As a marketing researcher, you are studying the Internet use habits of all children in Brooklyn. You want to have a probability sample. You consult with a statistician who recommends that you should survey 12M of all the children in each public and private school in Brooklyn. You collect this data and analyze it. You find that on average these children use the Internet for 3.5 hours each day.

Answer 1

The subject of this question is Mathematics and it involves probability sampling and data analysis. The marketing researcher followed the recommendation of surveying 12M children from public and private schools in Brooklyn to obtain a probability sample. The average internet usage found from this data is 3.5 hours per day.

Step-by-step explanation:

The subject of this question is Mathematics since it involves statistical concepts such as probability sampling and data analysis.

To obtain a probability sample of internet use habits of all children in Brooklyn, the marketing researcher followed the recommendation of surveying 12M of all children in each public and private school. This ensures that each child has an equal chance of being selected.

The average internet usage found from this data is 3.5 hours per day, which provides insights into the habits of children in Brooklyn.