Please help! I don't understand this at all!
1. Lin wants to know how many games teenagers in the United States have on their phones.
What is the population for Lin's question?
2. Lin wants to know how many games teenagers in the United States have on their phones.
Explain why collecting data for this population would be difficult.
3. Lin wants to know how many games teenagers in the United States have on their phones.
Give an example of a sample Lin could use to help answer her question.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?