Please show all work no Minitab The thickness of the struts

Please show all work, no Minitab.

The thickness of the struts of a cardiac stent is an important quality parameter. Data on thickness(in cm) are given for 10 samples of 3 stents each.

Sample X1 X2 X3

1 .0629 .0636 .0640

2 .0630 .0631 .0622

3 .0628 .0631 .0633

4 .0615 .0625 .0619

5 .0619 .0628 .0630

6 .0613 .0629 .0634

7 .0630 .0639 .0625

8 .0619 .0644 .0632

9 .0623 .0626 .0633

10 .0631 .0631 .0633

B) Estimate the process standard deviation.

C) If the specifications are at .0630 inches +-.0015 in, discuss the process capability.

D) What is the expected proportion of samples above the upper specification limit?