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Batting Averages Table
Directions: Enter batting averages data into a spreadsheet, and make a scatter graph showing how averages change over time. Analyze the graph, looking for strength and consistency over time, to determine the relative value of the players.
|
Player/Years |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
|
Sammy Sosa |
0.308 |
0.288 |
0.320 |
0.328 |
0.288 |
0.279 |
0.253 |
|
Ken Griffey |
0.284 |
0.285 |
0.271 |
0.286 |
0.264 |
0.247 |
0.253 |
|
Derek Jeter |
0.324 |
0.349 |
0.339 |
0.311 |
0.297 |
0.324 |
0.292 |
|
Roberto Alomar |
0.282 |
0.323 |
0.310 |
0.336 |
0.266 |
0.258 |
0.263 |
Data source: www.baseball-reference.com*
Use the data and your graph to respond to the following:
- Analyze the data and rank the players. Write an explanation of the results and defend your choice using data.
- Explain how batting average is calculated using several sentences and an equation.
- What limitations does the batting average statistic have? What doesn’t it tell you about a player?
- Why is the batting average designated as an “average”?
- How does looking at a graph of data provide you with more information than just looking at the data in a table?
- How do you choose the appropriate graphical representations for a certain set of data?
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