Among the ANES unique group of widows who have three or more children at home, is there a difference between those with a high school education or less and those who have some college or more with...

Among the ANES unique group of widows who have three or more children at home, is there a difference between those with a high school education or less and those who have some college or more with regard to household income? Here are the raw data:

High school or less: 21.25, 2.5, 72.5, 2.5, 11.25

Some college or more: 32.5, 32.5, 47.5, 2.5, 72.5, 37.5

Carry out a t-test by hand and explain your results.