The following table provides additional data on the Stark Insurance Groups medical malpractice claims. For 2010-2017 we show the estimated number of claims and the estimated dollar amount per claim (in 2017 dollars to adjust for inflation)

Injury year Estimated # claims Estimated $ per claim

2010 1021 $415,326.26

2011 1087 $448,871.57

2012 1184 $477,333.66

2013 1291 $490,215.19

2014 1191 $516,696.63

2015 1098 $587,233.93

2016 1055 $536,983.82

2017 1110 $403,504.39

2. Calculate the mean or average number of medical malpractice insurance claims per year over the four-year period 2010-2013.

3. Calculate the mean or average number of medical malpractice insurance claims per year over the four-year period 2014-2017.

4. Calculate the mean or average dollar value per claim per year for medical malpractice insurance over the four-year period 2010-2013.

5. Calculate the mean or average dollar value per claim per year for medical malpractice insurance over the four-year period 2014-2017.

6. Looking at your results from (a) to (e), do you think there is any evidence to support the conclusion that costs were rising for insurers, justifying a rise in premiums?