A researcher is interested to know if there is a difference in levels of religiosity between different income groups. The researcher administers a religiosity scale to a total of 15 people : 5 "low income" individuals, 5 middle income individuals, and 5 "high income individuals. The means for each group are as follows:

group A group B group C

low income middle inc. high inc.

N=5 N=5 N=5

Ey 37 22 43

MEAN 7.4 4.4 8.6

Ey2 285 102 381

Calculate the degrees of freedom between?

Calculate the degrees of freedom within?

Calculate the within group sum of squares or SSW. please round to one decimal place.