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Created: Oct 12, 2014
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Matthew Rivera

Period 5

*All this data is as of October 9 and does not refect the entirety of the postseason

For my report i decided to compare three major batting figures between both MLB leagues, AL and NL, for this 2014 postseason. I only selected the top 10 batters from each league. I picked the postseason and not the regular season because i was very optimistic in that i would be able to show the batting dominance of the Angels in the postseason but as always, i was utterly let down. I compared frequency of AL versus NL home runs, strike outs, and batting average. Traditionally the AL has better batting while the NL is a Pitcher's domain. But im only interested in batting for this project.

Home runs(HR)

Result 1: Scatter Plot hr   [Info]
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The strength of this graph is weak since there is no associaton of at bats to home runs.I assumed that since the NL had more at bats, they would more likely than not have more home runs. I was wrong.

Result 2: Dotplot hr   [Info]
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As this shows the AL had more home runs. The NL has a skewed right distribution and the AL has a slightly bimodal distribution that i would consider to be more uniform. The spread for both is small because the numbers involved have a range of 2.

Batting Average(Avg.)

Result 3: Stem and Leaf Plot avg   [Info]
Variable: AVG for League = AL

Decimal point is 1 digit(s) to the left of the colon.
Leaf unit = 0.01
3 : 36
4 : 0006
5 : 000

The AL batting averages have a high center around .400 and are symmetric around that number.

Result 4: Stem and Leaf Plotavg nl   [Info]
Variable: AVG for League = NL

Decimal point is 1 digit(s) to the left of the colon.
Leaf unit = 0.01
2 : 9
3 : 35789
4 : 36
5 : 04

The NL batting averages have a very high center in the .300s and is very unimodal because of the large center and low spread.

These stem and leaf plots show me that the AL have on average, a higher average. The AL also had a smaller spread of numbers and those numbers ranged from the .300s the the .500s. The NL had a smaller batting average but a larger spread ranging from the .200s to the .500s.


Result 5: Bar Plot league   [Info]
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The NL's top 10 had more strike outs than the AL's. The frequencies of individuals strikeouts was pretty consistent between leages until one NL batter had a large amount of stikeouts(7) that was not matched by the AL. The spread of strike outs in the AL and NL were both relatively small between 0 and 7.

Story Summary

My theory based off baseball tradition was showed to be true based off these 3 catergories. In this point of the postseason the elite of the AL had more home runs and higher batting averages than the NL. The NL however did lead in one catergory. Strike outs. So for this postseason,through the wild card and divisional series', the AL top ten has had better batting numbers than the NL top ten.



Data set 1. MLB postseason Batting   [Info]
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By matthew1rivera
Oct 12, 2014

Always Learning