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Kindly carry out a hypothesis test on the data below using stat tools and provide feedback on whether or not to reject the null hypothesis
Kindly carry out a hypothesis test on the data below using stat tools and provide feedback on whether or not to reject the null hypothesis
Null Hypothesis - There is no difference between the performance of baseball game players in their first or second year
Alternative hypothesis - Athletes often perform surprisingly well in their first season of competition but rarely do well in their second or sophomore season
Rookie-Award Data, Pitchers | |||||||||||||||
American League | Rookie Year | Sophomore Year | |||||||||||||
W | L | ERA | G | IP | W | L | ERA | G | IP | ||||||
1952 | Harry Byrd | 15 | 15 | 3.31 | 37 | 228 | 11 | 20 | 5.51 | 40 | 237 | ||||
1954 | Robert Grim | 20 | 6 | 3.26 | 37 | 199 | 7 | 5 | 4.19 | 26 | 92 | ||||
1955 | Herbert Score | 16 | 10 | 2.85 | 33 | 227 | 20 | 9 | 2.53 | 35 | 249 | ||||
1961 | Donald Schwall | 15 | 7 | 3.22 | 25 | 179 | 9 | 15 | 4.94 | 33 | 182 | ||||
1963 | Gary Peters | 19 | 8 | 2.33 | 41 | 243 | 20 | 8 | 2.5 | 37 | 274 | ||||
1968 | Stan Bahnsen | 17 | 12 | 2.05 | 37 | 267 | 9 | 16 | 3.83 | 40 | 221 | ||||
1976 | Mark Fidrych | 19 | 9 | 2.34 | 31 | 250 | 6 | 4 | 2.89 | 11 | 81 | ||||
1981 | Dave Righetti | 8 | 4 | 2.06 | 15 | 105 | 11 | 10 | 3.79 | 33 | 183 | ||||
1989 | Gregg Olson | 5 | 2 | 1.69 | 64 | 85 | 6 | 5 | 2.42 | 64 | 74.1 | ||||
2000 | Kazuhiro Sasaki | 2 | 5 | 3.16 | 63 | 62.2 | 0 | 4 | 3.24 | 69 | 66.2 | ||||
2005 | Huston Street | 5 | 1 | 1.72 | 67 | 78.1 | 4 | 4 | 3.31 | 69 | 70.2 | ||||
2006 | Justin Verlander | 17 | 9 | 3.63 | 30 | 186 | 18 | 6 | 3.66 | 32 | 201.2 | ||||
2009 | Andrew Bailey | 6 | 3 | 1.84 | 68 | 83.1 | 1 | 3 | 1.47 | 47 | 49 | ||||
2010 | Neftali Feliz | 4 | 3 | 2.73 | 70 | 69.1 | 2 | 3 | 2.74 | 64 | 62.1 | ||||
2011 | Jeremy Hellickson | 13 | 10 | 2.95 | 29 | 189 | 10 | 11 | 3.1 | 31 | 177 | ||||
National League | Rookie Year | Sophomore Year | |||||||||||||
W | L | ERA | G | IP | W | L | ERA | G | IP | ||||||
1949 | Donald Newcombe | 17 | 8 | 3.17 | 38 | 244 | 19 | 11 | 3.7 | 40 | 267 | ||||
1952 | Joseph Black | 15 | 4 | 2.15 | 56 | 142 | 6 | 3 | 5.33 | 34 | 73 | ||||
1957 | John Sanford | 19 | 8 | 3.08 | 33 | 237 | 10 | 13 | 4.44 | 38 | 186 | ||||
1967 | Tom Seaver | 16 | 13 | 2.76 | 35 | 251 | 16 | 12 | 2.2 | 36 | 278 | ||||
1970 | Carl Morton | 18 | 11 | 3.6 | 43 | 285 | 10 | 18 | 4.79 | 36 | 214 | ||||
1972 | Jon Matlack | 15 | 10 | 2.32 | 34 | 244 | 14 | 16 | 3.2 | 34 | 242 | ||||
1975 | John Montefusco | 15 | 9 | 2.88 | 35 | 244 | 16 | 14 | 2.84 | 37 | 253 | ||||
1976 | Butch Metzger | 11 | 4 | 2.92 | 77 | 123 | 4 | 2 | 3.59 | 75 | 115 | ||||
Pat Zachry | 14 | 7 | 2.74 | 38 | 204 | 10 | 13 | 4.25 | 31 | 195 | |||||
1979 | Rick Sutcliffe | 17 | 10 | 3.46 | 39 | 242 | 3 | 9 | 5.56 | 42 | 110 | ||||
1980 | Steve Howe | 7 | 9 | 2.65 | 59 | 85 | 5 | 3 | 2.5 | 41 | 54 | ||||
1981 | Fernando Valenzuela | 13 | 7 | 2.48 | 25 | 192 | 19 | 13 | 2.87 | 37 | 285 | ||||
1984 | Dwight Gooden | 17 | 9 | 2.6 | 31 | 218 | 24 | 4 | 1.53 | 35 | 277 | ||||
1986 | Todd Worrell | 9 | 10 | 2.08 | 74 | 104 | 8 | 6 | 2.66 | 75 | 95 | ||||
1995 | Hideo Nomo | 13 | 6 | 2.54 | 28 | 191.1 | 16 | 11 | 3.19 | 33 | 228.1 | ||||
1998 | Kerry Wood | 13 | 6 | 3.4 | 26 | 166.2 | 8 | 7 | 4.8 | 23 | 137 | ||||
1999 | Scott Williamson | 12 | 7 | 2.41 | 62 | 93.1 | 5 | 8 | 3.29 | 48 | 112 | ||||
2002 | Jason Jennings | 16 | 8 | 4.52 | 32 | 185.1 | 12 | 13 | 5.11 | 32 | 181.1 | ||||
2003 | Dontrelle Willis | 14 | 6 | 3.3 | 27 | 160.2 | 10 | 11 | 4.02 | 32 | 197 | ||||
2011 | Craig Kimbrel | 4 | 3 | 2.1 | 79 | 77 | 3 | 1 | 1.01 | 63 | 62.2 | ||||
W = Wins (number of games won) | G = Games played | ||||||||||||||
L = Losses (number of games lost) | IP = Innings pitched | ||||||||||||||
ERA = Earned run average | |||||||||||||||
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