1. The data
points are (5,262), (10,249), (20,227), (30,204), (40,180),
(50,152).
2. The linear
regression function is S(t) = 2.401t + 274.362.
3. The slope
is m = 2.401; this means that the world population is growing at
the rate of 2.401 million (2,401,000) people each year.
4. The annual
population growth is 2,401,000 people.
5. In 10 years
the population will grow by 24,010,000 people; in 6 months, 1,200,500
people; in one week, 46,173 people.
6. The estimate
is 286,367,000 people.
7. In the year
2010 (t = 10.7)

