Concept explainers
To find graph shows a positive,negative or no
Answer to Problem 41SGR
Explanation of Solution
Given information:The data where x represents the average high temperature andy represents the number of outside hours.
Let x be average high temperature.
Temperature(f) x | 78 | 70 | 64 | 48 | 36 |
Number of outside hours y | 94 | 75 | 60 | 34 | 20 |
Calculation:
Use a graphing calculator for above table,
Line of Best Fit
Graph of the equation is given below.
Wherex -axis represent temperature and y -axis number of outside hours.
It is clear from the graph, the temperature increase as the number of outside hoursincreases. The line of best fit for this datahas a positive slope so there is positive correlation.
Chapter 4 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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