Posted by **Karen** on Wednesday, March 25, 2009 at 1:16pm.

Listed below are the number of homeruns for the National League leader over the last 20 years, through 2006. Assuming that number of homeruns is normally distributed, if this is sample data collected from a population of all past and future homerun leaders, test the claim that the mean homerun leader has less than 47 homeruns, where รก=.05. Set up and complete the appropriate hypothesis test. For this data, also compute the p-value and describe how you could have used this information to complete the analysis. Finally, compute 85% and 98% Confidence Intervals for this data.

Year Homeruns Year Homeruns

2006 58 1996 47

2005 51 1995 40

2004 48 1994 43

2003 47 1993 46

2002 49 1992 35

2001 73 1991 38

2000 50 1990 40

1999 65 1989 47

1998 70 1988 39

1997 49 1987 49

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