   Chapter 7.7, Problem 19E ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# Determining Correlation In Exercises 19-24, plot the points and determine whether the data have positive, negative, or no linear correlation (see figures below). Then use a graphing utility to find the value of r and confirm your result. The number r is called the correlation coefficient. It is a measure of how well the model fits the data. Correlation coefficients vary between -1 and 1, and the closer |r| is to 1, the better the model. (1,4), (2, 6), (3, 8), (4, 11), (5, 13), (6, 15)

To determine

To graph: The points (1,4),(2,6),(3,8),(4,11),(5,13),(6,15) and determine whether these points have positive, negative or no linear correlation. Also determine the correlation coefficient using graphing utility.

Explanation

Given Information:

The provided points are (1,4),(2,6),(3,8),(4,11),(5,13),(6,15).

Graph:

Consider the provided points,

(1,4),(2,6),(3,8),(4,11),(5,13),(6,15)

Label these points on coordinate axis and connect them with a straight line as shown below,

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