# Kaminski et al. (1992) present data on the number of orders per truck at a distribution center. Some… 1 answer below »

• September 24, 2021 /

Kaminski et al. (1992) present data on the number of orders per truck at a distribution center. Some of this data is shown in Table 7E.20.

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Kaminski et al. (1992) present data on the number of orders per truck at a distribution center. Some… 1 answer below »
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(a) Set up a chart for the number of orders per truck. Is the process in control?

(b) Set up a chart for the number of orders per truck, assuming a geometric distribution with = 1. Is the process in control?

(c) Discuss the findings from parts (a) and (b). Is the Poisson distribution a good model for these data? Is there evidence of this in the data?

 TABLE 7 E.20 Number of Orders per Truck for Exercise 7.69 No. of No. of No. of No. of Truck Orders Truck Orders Truck Orders Truck Orders 1 9 17 25 2 10 18 26 3 11 19 27 4 12 20 28 5 13 21 29 6 14 22 30 7 15 23 31 8 16 24 32