# Question

The net weight (in oz) of a dry bleach product is to be monitored by x and R control charts using a sample size of n = 5. Data for 20 preliminary samples are shown in Table 6E.7.

(b) Estimate the process mean and standard deviation.

(c) Does the fill weight seem to follow a normal distribution?

(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 specification limit o 15.7 oz?

(b) Estimate the process mean and standard deviation.

(c) Does the fill weight seem to follow a normal distribution?

(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 specification limit o 15.7 oz?

## Answer to relevant Questions

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