A small,independent amusement park collects data on the number of cars with out-of-state license plates.The sample size is fixed at n=25 each day.Data from the previous 10 days indicate the following number of out-of-state license plates:
(a)Calculate the overall proportion of "tourists" (cars with out-of-state plates)and the standard deviation of proportions.
(b)Using ±3σ limits,calculate the LCL and UCL for these data.
(c)Is the process under control? Explain.
Definitions:
Finishing Products
The final stages in the production process where goods are completed and made ready for sale.
Cost of Goods Manufactured
The total production cost of goods completed and ready for sale during a specific accounting period.
Cost of Goods Manufactured
The total production cost of goods that are completed and ready for sale during a specific accounting period, including the costs of raw materials, labor, and overhead.
Manufacturing Operations
Processes and activities involved in converting raw materials into finished products, including production planning, assembly, and quality control.
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