Please answer the following question:

QUESTION 1 A comparison test for means from independent samples is run. The test is a t test because the population s.d.s are not known and it is assumed that both samples are drawn from normally distributed populations. Sample 1 results: x1=12 and $1= 1.5, n=35 Sample 2 results: x1=10.8 and s1= 1.4, n=46 What is the proper degrees of freedom for this test? (Use the simplified df calculation from class, not the complicated one in your text)