Group Statistics Gender Income N Mean Std. Deviation Std. Error Mean Male 200 $62,389.40 $46,600.055 $3,295.122 Female 200 $31,836.44 $25,384.451...

Could you please explain the significance of the t-score (8.142) in the attached Independent Samples Test.  What is this number actually indicating?  In what way is it related to the 95% confidence interval?  Please take some time to explain it to make it understandable.