Telephone inquiries of 100 IRS "customers" are monitored daily at random by Xiangling Hu. Incidents of incorrect information or other nonconformities (such as impoliteness to customers) are recorded.

The data for last week follow:

Day No. of Nonconformities

1 5

2 10

3 23

4 20

5 15

(a) Using 3 standard deviations, the c-chart for the nonconformities is (Round your response to two decimal places).

(b) According to the c-chart, there variation in the incidents of incorrect information given out by the IRS telephone operators.

Which of the following statements regarding the learning curve and economies of scale is accurate? answers: just as diseconomies of scale are presumed to exist if a firm gets too large, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows. where diseconomies of scale are presumed to exist if a firm gets too large, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows. where diseconomies of scale are presumed to exist if a firm gets too small, there is no corresponding increase in costs in the learning-curve model as the cumulative volume of production grows. just as diseconomies of scale are presumed to exist if a firm gets too small, there is a corresponding increase in costs in the learning-curve model as the cumulative volume of production grows.

What happens when a bank is required to hold more money in reserve?

1. what are the unique operational challenges to delivering fresh meals? 2. why is speed of delivery so important for delivered meals? what variety of options contribute to this performance metric? 3. how could operations management concepts be utilized to improve the performance of freshly? 4. what are your typical product delivery times? what would be required to speed these up? 5. what are your delivery batch quantities? how could you reduce batch size and reduce delivery cost simultaneously using operations management concepts?