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Back to 12.2 The Regression Equation

12.2 Exercise 1

Avg difficulty 2.5

SCUBA divers have maximum dive times they cannot exceed when going to different depths. The data in the table show different depths in feet, with the maximum dive times in minutes. Use your calculator to find the least squares regression line and predict the maximum dive time for 110 feet.

x (depth) y (maximum dive time)
50 80
60 55
70 45
80 35
90 25
100 22

OpenStax Statistics, 12.2 The Regression Equation, exercise 1

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Adapted from Statistics © 2022 Rice University. Licensed under CC BY 4.0. Source: Statistics. Imported at revision 7dea80a.