Three alumni clubs for a university have members who contribute to the universit

Three alumni clubs for a university have members who contribute to the university athletic program. The amt of contribution for six contributors randomly selected from each city to test the hypothesis that the mean contribution is the same amoung alumni clubs is given below followed by the total for each city:
HOUSTON DALLAS NACOGDOCHES
70 60 30
25 35 65
35 55 80
40 58 50
20 75 25
15 60 45 =205 =343 =295 &nbs p; TOTALS
Questions: #1) What is the number of the treatment degrees of freedom.
#2) Calculate the treatment sum of squares (SSTR)
EXPLAIN