Statistics
LCL –VE
= 10.38 – 9.66
= 0.72
All the 13 points fall within the revised control limits. Hence thes

Statistics
LCL –VE
= 10.38 – 9.66
= 0.72
All the 13 points fall within the revised control limits. Hence these
linits can be used for controlling future production,
Illustration 10: Select appropriate answers :
(D) On sich distribution C Chart is based ?
(a) Binomial
) Poisson
(C) Normal
() From a production process 10 samples each of size 100 are taken and
the average fraction detective is found to be 0.02. The central line of
mp chart vill be
(b) 0.2
(c) 20
(d) 1.96
= 2.25. the lower control limit of C chart is
– (b) 3.75
(C) – 2.25 (d) 2.25
(4) The lower control limit of np chart is
P(1-2)
(6) P-3​