as always, the statistical output table is meaningless unless we understand the nature of the test itself.
Cpk is a test of the location and dispersion of the individuals values vs the tolerances.
a two sample t-test will only tell you if the means are statistically significantly different or not. It won't tell you if the difference is practically large or small.
a homogeneity of variance will only tell if the differnce in variance is statistically significantly different
In order to answer your real questions, can you post:
- your raw data for the two samples
- tell what you are measuring - what characteristic?
- what is a Bassel and a TitanPro? are they different materials?, processes?, equipment? measurement devices?