Researcher wishes to Determine if there is a difference in the avg age of middle, high school and college teachers. Randomly selected. Ages are recorded below.

find test stat F to test the hypothesis that there is no difference in the avg age of each group - use a= .01 round to 3 decimals.

Middle school	23	28	27	37	25	52
HS	36	38	41	47	42	31
COLLEGE	45	45	36	61	39	35

A) 2.517

b) 2.913

c) 3.189

d) 4.312