Hillsborough Community College Quadratic Regression Questions

Use the following attached pdf and answer all of the questions on quadratic regression please

4.6 Quadratic Regression
The data in the table show the sales, in millions of dollars, of electronic gaming software.
Source: Statistical Abstract of the United States, 2008; Table 1000
Electronic Gaming Software
Factory Sales
t
S
Years
Sales
(Since 2000) (millions of dollars)
1. Use regression to find the quadratic function, S (t ) ,
that best models the data set.
3
4
5
6
7
7065
7350
8041
9006
10087
2. Using the model, predict the function value when t = 10 . Explain what this value means and make a
statement comparing the results.
3. Using the model S (t ) , explain the practical meaning of the parameters a, b, and c of the quadratic
function model.
4. Solve the equation S (t ) = 10,000 . Explain what the solution to the equation means in the context of
the situation.