A criminal justice researcher is interested in studying the relationship between the religious affiliation of offenders and sentence (in years)...

A criminal justice researcher is interested in studying the relationship between the religious affiliation of offenders and sentence (in years) handed out. Here is the data she is working with:

Catholics   Protestants   Jews   Muslims

10   10   12   12

16   10   12   12

16   16   16   10

12   13   16   12

12   13   18   13

13   12   13   16

14   12   13   13

12   18   11   13

12   11   12   11

12   12   14   12

Calculate the mean square between groups (MSbetween)