Concept explainers
To find: An equation of the line of best fit for given data using linear regression feature on a graphing calculator, and then to find and interpret the
Answer to Problem 23E
Equation of the line of best fit is
Explanation of Solution
Given information: Relevant graph with marked data points.
Calculation:
After examining the graph it can be ascertained that the points are
Using the linear regression feature of the graphing utility,
Rounding the values (if needed) and substituting in the standard form,
Equation is
Graph:
Interpretation:
Thus, equation of the line of best fit is
Chapter 1 Solutions
Big Ideas Math A Bridge To Success Algebra 2: Student Edition 2015
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