The upper and lower specifications for metal head plates are 5 ±0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

Nielson Corp. sells its product for $8,800 per unit. Variable costs per unit are: manufacturing, $4,800, and selling and administrative, $100. Fixed costs are: $24,000 manufacturing overhead, and $32,000 selling and administrative. There was no beginning inventory at 1/1/12. Production was 20 units per year in 2012 -2014. Sales was 20 units in 2012, 16 units in 2013, and 24 units in 2014. Income under variable costing for 2013 is

a. $6,400. b. $11,200. c. $12,800. d. $17,600.

________ occurs when the average cost per unit increases as the facility's size increases

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