Injury year | Estimated # | Estimated $/p

1994 | 1,021 | $415,326.26

1995 |1,087 | $448,871.57

1996 |1,184 | $477,333.66

1997 |1,291 | $490,215.19

1998 |1,191 | $516,696.63

1999 |1,098 | $587,233.93

2000 | 1,055 | $536,983.82

2001 |1,110 | $403,504.39

a.Calculate the mean or average dollar value per claim per year for medical malpractice insurance in Texas over the four-year period 1994 - 1997 (in 2009 dollars).

b.Calculate the mean or average dollar value per year for medical malpractice insurance in Texas over the four-year period 1998 - 2001 (in 2009 dollars).

I need help on how to solve these problems. May be done in excel.