HP 9g Graphing Calculator - Manual (Page 58)

E-58
Example 43
Enter the data: X
LSL
= 2, X
USL
= 13, X
1
= 3, FREQ
1
= 2, X
2
= 5 , FREQ
2
= 9, X
3
= 12, FREQ
3
= 7, then find = 7.5, Sx = 3.745585637,
Cax = 0 , and Cpx = 0.503655401
[ MODE ] 1
[ ] [ DATA ] [ ]
[ ] 2
[ ] 13 [ ]
[ DATA ]
[ ] 3
[ ] 2
[ ] 5 [ ] 9 [ ] 12
[ ] 7