The net weight (in oz) of a dry bleach product is to be monitored by ī and R control charts using a sam- ple size of n = 5. Data for 20 preliminary samples are shown in Table 6E.7. (a) Set up ī and R control charts using these data. Does the process exhibit statistical control? (b) Estimate the process mean and standard deviation. (c) Does fill weight seem to follow a normal distri- bution? (d) If the specifications are at 16.2 ± 0.5, what conclusions would you draw about process capability? (e) What fraction of containers produced by this process is likely to be below the lower specifi- cation limit of 15.7 oz?
The net weight (in oz) of a dry bleach product is to be monitored by ī and R control charts using a sam- ple size of n = 5. Data for 20 preliminary samples are shown in Table 6E.7. (a) Set up ī and R control charts using these data. Does the process exhibit statistical control? (b) Estimate the process mean and standard deviation. (c) Does fill weight seem to follow a normal distri- bution? (d) If the specifications are at 16.2 ± 0.5, what conclusions would you draw about process capability? (e) What fraction of containers produced by this process is likely to be below the lower specifi- cation limit of 15.7 oz?
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![6.12. The net weight (in oz) of a dry bleach product is to
be monitored by ī and R control charts using a sam-
ple size of n = 5. Data for 20 preliminary samples
are shown in Table 6E.7.
(a) Set up ī and R control charts using these data.
Does the process exhibit statistical control?
(b) Estimate the process mean and standard deviation.
(c) Does fill weight seem to follow a normal distri-
bution?
(d) If the specifications are at 16.2 ± 0.5, what
conclusions would you draw about process
capability?
(e) What fraction of containers produced by this
process is likely to be below the lower specifi-
cation limit of 15.7 oz?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F07a4bee6-3605-4c1f-ba5e-1bef3addffcb%2Fec7609ec-c04c-4846-84b9-b7925e559cb9%2Fuiym3f8_processed.png&w=3840&q=75)
Transcribed Image Text:6.12. The net weight (in oz) of a dry bleach product is to
be monitored by ī and R control charts using a sam-
ple size of n = 5. Data for 20 preliminary samples
are shown in Table 6E.7.
(a) Set up ī and R control charts using these data.
Does the process exhibit statistical control?
(b) Estimate the process mean and standard deviation.
(c) Does fill weight seem to follow a normal distri-
bution?
(d) If the specifications are at 16.2 ± 0.5, what
conclusions would you draw about process
capability?
(e) What fraction of containers produced by this
process is likely to be below the lower specifi-
cation limit of 15.7 oz?
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