For major elague baseball, describe the affect that an ERA has on a team’s winning percentage. ...

        For major elague baseball, describe the   affect that an ERA has on a team’s winning percentage. Ho: a team’s ERA does   not affect the number of wins that a team will accumulate; H1: a team’s ERA   directly affects the number of wins that a team will accumulate. The   numerical hypothesis will look like this, Ho: µ1=µ2; H1: µ1≠µ2.                        Team x1 League, x2 Built, x3 Age (x) Size, x4 Surface, x5 Salary, x6 Wins, x7 (Y) Attendance, x8 Batting, x9 ERA, x10 (X) HR, x11 Errors, x12 SB, x13 Year, x14 Average, x15   Boston 1 1912 99 33,871 0 123.5 95 2,847,798 0.281 4.74 199 109 45 1989 512,930   New York Yankees 1 1923 88 57,746 0 208.3 95 4,090,440 0.276 4.52 229 95 84 1990 578,930   Oakland 1 1966 45 43,662 0 55.4 88 2,108,818 0.262 3.69 155 88 31 1991 891,188   Baltimore 1 1992 19 48,262 0 73.9 74 2,623,904 0.269 4.56 189 107 83 1992 1,084,408   Los Angeles Angels 1 1966 45 45,050 0 97.7 95 3,404,636 0.27 3.68 147 87 161 1993 1,120,254   Cleveland 1 1994 17 43,368 0 41.5 93 2,014,220 0.271 3.61 207 106 62 1994 1,188,679   Chicago White Sox 1 1991 20 44,321 0 75.2 99 2,342,804 0.262 3.61 200 94 137 1995 1,071,029   Toronto 1 1989 22 50,516 1 45.7 80 2,014,995 0.265 4.06 136 95 72 1996 1,176,967   Minnesota 1 1982 29 48,678 1 56.2 83 2,034,243 0.259 3.71 134 102 102 1997 1,383,578   Tampa Bay 1 1990 21 44,027 1 29.7 67 1,141,915 0.274 5.39 157 124 151 1998 1,441,406   Texas 1 1994 17 52,000 0 55.8 79 2,525,259 0.267 4.96 260 108 67 1999 1,720,050   Detroit 1 2000 11 40,000 0 69.1 71 2,024,505 0.272 4.51 168 110 66 2000 1,988,034   Seattle 1 1999 12 45,611 0 87.8 69 2,724,859 0.256 4.49 130 86 102 2001 2,264,403   Kansas City 1 1973 38 40,529 0 36.9 56 1,371,181 0.263 5.49 126 125 53 2002 2,383,235   Atlanta 0 1993 18 50,062 0 86.5 90 2,520,904 0.265 3.98 184 86 92 2003 2,555,476   Arizona 0 1998 13 49,075 0 62.3 77 2,059,327 0.256 4.84 191 94 67 2004 2,486,609   Houston 0 2000 11 42,000 0 76.8 89 2,805,060 0.256 3.51 161 89 115 2005 2,632,655   Cincinnati 0 2003 8 42,059 0 61.9 73 1,923,254 0.261 5.15 222 104 72       New York Mets 0 1964 47 55,775 0 101.3 83 2,827,549 0.258 3.76 175 106 153       Pittsburgh 0 2001 10 38,127 0 38.1 67 1,817,245 0.259 4.42 139 117 73       Los Angeles Dodgers 0 1962 49 56,000 0 83 71 3,603,680 0.253 4.38 149 106 58       San Diego 0 2004 7 42,445 0 63.3 82 2,869,787 0.257 4.13 130 109 99       Washington 0 1961 50 56,000 0 48.6 81 2,730,352 0.252 3.87 117 92 45       San Francisco 0 2000 11 40,800 0 90.2 75 3,181,020 0.261 4.33 128 90 71       St. Louis 0 1966 45 49,625 0 92.1 100 3,542,271 0.27 3.49 170 100 83       Florida 0 1987 24 42,531 0 60.4 83 1,852,608 0.272 4.16 128 103 96       Philadelphia 0 2004 7 43,500 0 95.5 88 2,665,304 0.27 4.21 167 90 116       Milwaukee 0 2001 10 42,400 0 39.9 81 2,211,323 0.259 3.97 175 119 79       Chicago Cubs 0 1914 97 38,957 0 87 79 3,100,092 0.27 4.19 194 101 65       Colorado 0 1995 16 50,381 0 48.2 67 1,914,385 0.267 5.13 150 118 65