(Solved):
The capability index is the spread between the upper and lower specification limits divided by ...
The capability index is the spread between the upper and lower specification limits divided by six sigma. Given che information below, what is the capability index? Upper specification limit (USP) =90.0 Lower spect cartion =84.0 Standard deviation =0.5 Average =88.0 Target =87.0 2 3 6 12