Back to 4.3 Fitting Linear Models to Data

4.3 Exercise 38

Avg difficulty 2.5

Use each set of data to calculate the regression line using a calculator or other technology tool, and determine the correlation coefficient to 3 decimal places of accuracy.

$x$	$y$	$x$	$y$
3	21.9	10	18.54
4	22.22	11	15.76
5	22.74	12	13.68
6	22.26	13	14.1
7	20.78	14	14.02
8	17.6	15	11.94
9	16.52	16	12.76

OpenStax Algebra and Trigonometry 2e, 4.3 Fitting Linear Models to Data, exercise 38

AI Tutor

Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.