e graph of the accumulated class data. What is the average mass of the pennies in g? How does it change? In what year does the average mass of the penny change? 3. Based on the graph of mass vs. years in circulation, state your working h

e graph of the accumulated class data. What is the average mass of the pennies in g? How does it change? In what year does the average mass of the penny change? 3. Based on the graph of mass vs. years in circulation, state your working h

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.1: Equations

Problem 77E

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Question

For the image attached 1. Draw a graph of the average mass vs. year. Make sure axes are labeled. 2. Give a precise description of the results as shown in the graph of the accumulated class data. What is the average mass of the pennies in g? How does it change? In what year does the average mass of the penny change? 3. Based on the graph of mass vs. years in circulation, state your working hypothesis for why the average mass of the penny changed.

Data:
year year of Pennies # of pennies weighed Total mass (9) Average mass
2000 2000
50
122.59829
60
1998/1998
2003 2003
150.00819
137.49549
55
24519649
2.5001359
2.4999163649

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