Chapter 14.4, Problem 4CP

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11th Edition

Ronald J. Harshbarger + 1 other

ISBN: 9781305108042

Textbook Problem

Use linear regression to write the equation of the line that is the best fit for the following points.

X |
50 | 25 | 10 | 5 |

y |
2 | 4 | 10 | 20 |

To determine

**To calculate:** The equation of the line that is the best fit for the points by use of linear regression.

Explanation

**Given Information:**

The provided table is,

**Formula used:**

According to linear regression equation, the equation of the line that is the best fit for the given data points

**Calculation:**

Consider the table,

Let *x* for

That is,

Let *y* for

That is,

Thus, the points are

The equation of the line that is the best fit for the given data points

Since, the number of data points is

Thus,

Calculate the value of *b*.

Substitute 4 for *n* in

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