Chapter 2.1, Problem 43E

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7th Edition

Stefan Waner + 1 other

ISBN: 9781337274203

Textbook Problem

World Military Expenditure The following table shows total military and arms trade expenditure in 1994, 1998, and 2006. (See Exercise 25;
^{10}

Year t |
4 | 8 | 16 |

Military Expenditure ($ billion) |
1,150 | 1,050 | 1,450 |

Find a quadratic model for these data, and use your model to estimate world military expenditure in 2008. Compare your answer with the actual figure shown in Exercise 25. [**HINT:** See Example 5.]

To determine

**To calculate:** The quadratic model for the given data and use model to estimate world military expenditure in 2008 and then compare it with actual figure $1,600 billion. Data table is given as

Explanation

**Given Information:**

The given data points are in tabular form is given as:

The actual estimate world military expenditure in 2008 is $1,600 billion.

**Calculation:**

Follow the steps given below to find the quadratic model for the data and use x as independent variable and y as dependent variable.

Let the quadratic model is

Step 1: Press

Step 2: Press

Step 3: Now, enter the values of

Step 4: With the help of arrow keys, enter the values of

Step 5: Now, press

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