Cable for most is 1.5 to 10 megabits per second. Your test shows it met that on the download.
The upload runs about 10 percent due to the asymmetric nature of such a connection so that's in range too.
Skype should be fine.
I pay 100$/year for cable and internet
here are my speedtest
Or in text
is this good for ustream skype so on and am I getting ripped off