Question: 3. Unequal sample sizes. For simplicity, all control limits presented in this chapter assume equal sample sizes. However, R commands allow also for unequal sample

3. Unequal sample sizes. For simplicity, all control limits presented in this chapter assume equal sample sizes.

However, R commands allow also for unequal sample sizes. The R data frame dyedcloth,15 available in the R package qcc, consists of 10 counts, each representing the total number of defects in batches of inspection units (50 square meters of dyed cloth). In this data set, the batch sample sizes are unequal. Use the R commands given at the end of Section 13.4.2 to construct a u chart.

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