Exhibit 18.3.The following table shows the annual revenues (in millions of dollars)of a pharmaceutical company over the period 1990-2011. Excel scatterplot shown above indicates that the annual revenues have an increasing trend.Therefore,linear,exponential,quadratic and cubic models were used to fit the trend,and the following relevant information became available after applying linear regression. Refer to Exhibit 18.3.When all four trend regression equations are compared,which of them provides the best fit?
A)linear
B)exponential
C)quadratic
D)cubic

Question

Exhibit 18.3.The following table shows the annual revenues (in millions of dollars)of a pharmaceutical company over the period 1990-2011.   Excel scatterplot shown above indicates that the annual revenues have an increasing trend.Therefore,linear,exponential,quadratic and cubic models were used to fit the trend,and the following relevant information became available after applying linear regression.  Refer to Exhibit 18.3.When all four trend regression equations are compared,which of them provides the best fit?
A)linear 
B)exponential 
C)quadratic 
D)cubic

Quizplus · Accepted Answer

The Answer of Exhibit 18.3.The following table shows the annual revenues (in millions of dollars)of a pharmaceutical company over the period 1990-2011.   Excel scatterplot shown above indicates that the annual revenues have an increasing trend.Therefore,linear,exponential,quadratic and cubic models were used to fit the trend,and the following relevant information became available after applying linear regression.  Refer to Exhibit 18.3.When all four trend regression equations are compared,which of them provides the best fit?
A)linear 
B)exponential 
C)quadratic 
D)cubic