You are conducting a study to determine if there is a significant difference between typical salaries of surgeons and stock brokers (in thousands of dollars). Calculate the test-statistic, t with the...

You are conducting a study to determine if there is a significant difference between typical salaries of surgeons and stock brokers (in thousands of dollars). Calculate the test-statistic,t with the following sample data.
n1=50n1=50, ¯x1=155x¯1=155, s1=8s1=8
n2=40n2=40, ¯x2=157x¯2=157, s2=6s2=6


Rounded to 2 decimal places.