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Test hypothesis, protocol & summary | DAT565 Data Analysis And Business Analytics | University of Phoenix

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Context: Your organization is evaluating the quality of its call center operations. One of the most important metrics in a call center is Time in Queue (TiQ), which is the time a customer has to wait before he/she is serviced by a Customer Service Representative (CSR). If a customer has to wait for too long, he/she is more likely to get discouraged and hang up. Furthermore, customers who have to wait too long in the queue typically report a negative overall experience with the call. You’ve conducted an exhaustive literature review and found that the average TiQ in your industry is 2.5 minutes (150 seconds). 

Another important metric is Service Time (ST), also known as Handle Time, which is the time a CSR spends servicing the customer. CSR’s with more experience and deeper knowledge tend to resolve customer calls faster. Companies can improve average ST by providing more training to their CSR’s or even by channeling calls according to area of expertise. Last month your company had an average ST of approximately 3.5 minutes (210 seconds). In an effort to improve this metric, the company has implemented a new protocol that channels calls to CSR’s based on area of expertise. The new protocol (PE) is being tested side-by-side with the traditional (PT) protocol.  


Instructions: 

Access the CallCenterWaitingTime.xlsx file. Each row in the database corresponds to a different call. The column variables are as follows: 

  • ProtocolType: indicates protocol type, either PT or PE
  • QueueTime: Time in Queue, in seconds
  • ServiceTime: Service Time, in seconds
  • Perform a test of hypothesis to determine whether the average TiQ is lower than the industry standard of 2.5 minutes (150 seconds). Use a significance level of α=0.05.  
  • Evaluate if the company should allocate more resources to improve its average TiQ. 
  • Perform a test of hypothesis to determine whether the average ST with service protocol PE is lower than with the PT protocol. Use a significance level of α=0.05.  
  • Assess if the new protocol served its purpose. (Hint: this should be a test of means for 2 independent groups.) 
  • Submit your calculations and a 175-word summary of your conclusions. 
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July 1, 2023
    

 

135.Use the following data to determine the cost of goods manufactured. 

Beginning finished goods inventory$10,800

Direct labor30,600

Beginning work in process inventory7,200

General and administrative expenses13,500

Direct materials used40,500

Ending work in process inventory9,000

Indirect labor6,300

Ending finished goods inventory9,500

Indirect materials13,500

Depreciation—factory equipment7,500

  

A.$102,000.

B.$110,100.

C.$96,600.

D.$113,700.

E.$100,200.

136.Use the following data to compute total factory overhead costs for the month. 

Sales commissions10,800

Direct labor39,600

Indirect materials15,200

Factory manager salaries7,200

Factory supplies9,000

Indirect labor6,300

Depreciation—office equipment5,000

Direct materials40,500

Corporate office salaries42,500

Depreciation—factory equipment7,500

A.$141,100.

B.$125,300.

C.$45,200.

D.$84,800.

E.$58,300.

137.Use the following data to compute total manufacturing costs for the month. 

Sales commissions10,800

Direct labor39,600

Indirect materials15,200

Factory manager salaries7,200

Factory supplies9,000

Indirect labor6,300

Depreciation—office equipment5,000

Direct materials40,500

Corporate office salaries42,500

Depreciation—factory equipment7,500

  

A.$141,100.

 

B.$125,300.

C.$45,200.

D.$84,800.

E.$58,300.

138.Use the following information to compute the cost of goods manufactured: 

Beginning raw materials$5,500

Ending raw materials4,000

Direct labor12,250

Raw material purchases7,400

Depreciation on factory equipment6,500

Factory repairs and maintenance3,300

Beginning finished goods inventory10,200

Ending finished goods inventory8,900

Beginning work in process inventory5,700

Ending work in process inventory6,300

  

A.$36,650.

 

B.$30,950.

 

C.$30,650.

D.$30,350.

E.$31,650.

139.The following information pertains to the Packer Corporation. Calculate the cost of goods sold for the period: 

Beginning Raw Materials$30,000

Ending Raw Materials$70,000

Beginning Work in Process Inventory$40,000

Ending Work in Process Inventory$46,000

Beginning Finished Goods Inventory$72,000

Ending Finished Goods Inventory$68,000

Cost of Goods Manufactured for the period$246,000

  

A.$250,000.

B.$290,000.

C.$242,000.

D.$258,000.

E.$246,000.

140.The following information pertains to the Frameworks Corporation for May. Calculate the cost of goods sold for the period: 

Beginning Finished Goods Inventory$19,500

Ending Finished Goods Inventory$18,000

Cost of Goods Manufactured$126,800

  

A.$164,300.

B.$126,800.

C.$125,300.

D.$146,300.

E.$128,300.

141.Using the information below, calculate the cost of goods manufactured for the period. 

Beginning Raw Materials Inventory$25,000

Ending Raw Materials Inventory$30,000

Beginning Work in Process Inventory$55,000

Ending Work in Process Inventory$64,000

Beginning Finished Goods Inventory$80,000

Ending Finished Goods Inventory$67,000

Cost of Goods Sold for the period$540,000

Sales revenues for the period$1,254,000

Operating expenses for the period$232,000

  

A.$553,000.

 

B.$536,000.

C.$549,000.

D.$527,000.

E.$525,000.

142.Using the information below, calculate gross profit for the period. 

Beginning Raw Materials Inventory$25,000

Ending Direct Materials Inventory$30,000

Beginning Work in Process Inventory$55,000

Ending Work in Process Inventory$64,000

Beginning Finished Goods Inventory$80,000

Ending Finished Goods Inventory$67,000

Cost of Goods Sold for the period$540,000

Sales revenues for the period$1,254,000

Operating expenses for the period$232,000

  

A.$714,000.

 

B.$482,000.

C.$1,022,000.

D.$187,000.

E.$727,000.

143.Using the information below, calculate cost of goods sold for the period. 

Sales revenues for the period$1,304,000

Operating expenses for the period$239,000

Finished Goods Inventory, January 136,000

Finished Goods Inventory, December 3141,000

Cost of goods manufactured for the period$540,000

  

A.$774,000.

B.$769,000.

C.$530,000.

D.$535,000.

E.$448,000.

144.Using the information below, calculate gross profit for the period. 

Sales revenues for the period$1,304,000

Operating expenses for the period$239,000

Finished Goods Inventory, January 136,000

Finished Goods Inventory, December 3141,000

Cost of goods manufactured for the period$540,000

  

A.$774,000.

B.$769,000.

C.$530,000.

D.$535,000.

E.$448,000.

 

 

default image
July 1, 2023
    

 

135.Use the following data to determine the cost of goods manufactured. 

Beginning finished goods inventory$10,800

Direct labor30,600

Beginning work in process inventory7,200

General and administrative expenses13,500

Direct materials used40,500

Ending work in process inventory9,000

Indirect labor6,300

Ending finished goods inventory9,500

Indirect materials13,500

Depreciation—factory equipment7,500

  

A.$102,000.

B.$110,100.

C.$96,600.

D.$113,700.

E.$100,200.

136.Use the following data to compute total factory overhead costs for the month. 

Sales commissions10,800

Direct labor39,600

Indirect materials15,200

Factory manager salaries7,200

Factory supplies9,000

Indirect labor6,300

Depreciation—office equipment5,000

Direct materials40,500

Corporate office salaries42,500

Depreciation—factory equipment7,500

A.$141,100.

B.$125,300.

C.$45,200.

D.$84,800.

E.$58,300.

137.Use the following data to compute total manufacturing costs for the month. 

Sales commissions10,800

Direct labor39,600

Indirect materials15,200

Factory manager salaries7,200

Factory supplies9,000

Indirect labor6,300

Depreciation—office equipment5,000

Direct materials40,500

Corporate office salaries42,500

Depreciation—factory equipment7,500

  

A.$141,100.

 

B.$125,300.

C.$45,200.

D.$84,800.

E.$58,300.

138.Use the following information to compute the cost of goods manufactured: 

Beginning raw materials$5,500

Ending raw materials4,000

Direct labor12,250

Raw material purchases7,400

Depreciation on factory equipment6,500

Factory repairs and maintenance3,300

Beginning finished goods inventory10,200

Ending finished goods inventory8,900

Beginning work in process inventory5,700

Ending work in process inventory6,300

  

A.$36,650.

 

B.$30,950.

 

C.$30,650.

D.$30,350.

E.$31,650.

139.The following information pertains to the Packer Corporation. Calculate the cost of goods sold for the period: 

Beginning Raw Materials$30,000

Ending Raw Materials$70,000

Beginning Work in Process Inventory$40,000

Ending Work in Process Inventory$46,000

Beginning Finished Goods Inventory$72,000

Ending Finished Goods Inventory$68,000

Cost of Goods Manufactured for the period$246,000

  

A.$250,000.

B.$290,000.

C.$242,000.

D.$258,000.

E.$246,000.

140.The following information pertains to the Frameworks Corporation for May. Calculate the cost of goods sold for the period: 

Beginning Finished Goods Inventory$19,500

Ending Finished Goods Inventory$18,000

Cost of Goods Manufactured$126,800

  

A.$164,300.

B.$126,800.

C.$125,300.

D.$146,300.

E.$128,300.

141.Using the information below, calculate the cost of goods manufactured for the period. 

Beginning Raw Materials Inventory$25,000

Ending Raw Materials Inventory$30,000

Beginning Work in Process Inventory$55,000

Ending Work in Process Inventory$64,000

Beginning Finished Goods Inventory$80,000

Ending Finished Goods Inventory$67,000

Cost of Goods Sold for the period$540,000

Sales revenues for the period$1,254,000

Operating expenses for the period$232,000

  

A.$553,000.

 

B.$536,000.

C.$549,000.

D.$527,000.

E.$525,000.

142.Using the information below, calculate gross profit for the period. 

Beginning Raw Materials Inventory$25,000

Ending Direct Materials Inventory$30,000

Beginning Work in Process Inventory$55,000

Ending Work in Process Inventory$64,000

Beginning Finished Goods Inventory$80,000

Ending Finished Goods Inventory$67,000

Cost of Goods Sold for the period$540,000

Sales revenues for the period$1,254,000

Operating expenses for the period$232,000

  

A.$714,000.

 

B.$482,000.

C.$1,022,000.

D.$187,000.

E.$727,000.

143.Using the information below, calculate cost of goods sold for the period. 

Sales revenues for the period$1,304,000

Operating expenses for the period$239,000

Finished Goods Inventory, January 136,000

Finished Goods Inventory, December 3141,000

Cost of goods manufactured for the period$540,000

  

A.$774,000.

B.$769,000.

C.$530,000.

D.$535,000.

E.$448,000.

144.Using the information below, calculate gross profit for the period. 

Sales revenues for the period$1,304,000

Operating expenses for the period$239,000

Finished Goods Inventory, January 136,000

Finished Goods Inventory, December 3141,000

Cost of goods manufactured for the period$540,000

  

A.$774,000.

B.$769,000.

C.$530,000.

D.$535,000.

E.$448,000.

 

 

default image
July 1, 2023
    

 

135.Use the following data to determine the cost of goods manufactured. 

Beginning finished goods inventory$10,800

Direct labor30,600

Beginning work in process inventory7,200

General and administrative expenses13,500

Direct materials used40,500

Ending work in process inventory9,000

Indirect labor6,300

Ending finished goods inventory9,500

Indirect materials13,500

Depreciation—factory equipment7,500

  

A.$102,000.

B.$110,100.

C.$96,600.

D.$113,700.

E.$100,200.

136.Use the following data to compute total factory overhead costs for the month. 

Sales commissions10,800

Direct labor39,600

Indirect materials15,200

Factory manager salaries7,200

Factory supplies9,000

Indirect labor6,300

Depreciation—office equipment5,000

Direct materials40,500

Corporate office salaries42,500

Depreciation—factory equipment7,500

A.$141,100.

B.$125,300.

C.$45,200.

D.$84,800.

E.$58,300.

137.Use the following data to compute total manufacturing costs for the month. 

Sales commissions10,800

Direct labor39,600

Indirect materials15,200

Factory manager salaries7,200

Factory supplies9,000

Indirect labor6,300

Depreciation—office equipment5,000

Direct materials40,500

Corporate office salaries42,500

Depreciation—factory equipment7,500

  

A.$141,100.

 

B.$125,300.

C.$45,200.

D.$84,800.

E.$58,300.

138.Use the following information to compute the cost of goods manufactured: 

Beginning raw materials$5,500

Ending raw materials4,000

Direct labor12,250

Raw material purchases7,400

Depreciation on factory equipment6,500

Factory repairs and maintenance3,300

Beginning finished goods inventory10,200

Ending finished goods inventory8,900

Beginning work in process inventory5,700

Ending work in process inventory6,300

  

A.$36,650.

 

B.$30,950.

 

C.$30,650.

D.$30,350.

E.$31,650.

139.The following information pertains to the Packer Corporation. Calculate the cost of goods sold for the period: 

Beginning Raw Materials$30,000

Ending Raw Materials$70,000

Beginning Work in Process Inventory$40,000

Ending Work in Process Inventory$46,000

Beginning Finished Goods Inventory$72,000

Ending Finished Goods Inventory$68,000

Cost of Goods Manufactured for the period$246,000

  

A.$250,000.

B.$290,000.

C.$242,000.

D.$258,000.

E.$246,000.

140.The following information pertains to the Frameworks Corporation for May. Calculate the cost of goods sold for the period: 

Beginning Finished Goods Inventory$19,500

Ending Finished Goods Inventory$18,000

Cost of Goods Manufactured$126,800

  

A.$164,300.

B.$126,800.

C.$125,300.

D.$146,300.

E.$128,300.

141.Using the information below, calculate the cost of goods manufactured for the period. 

Beginning Raw Materials Inventory$25,000

Ending Raw Materials Inventory$30,000

Beginning Work in Process Inventory$55,000

Ending Work in Process Inventory$64,000

Beginning Finished Goods Inventory$80,000

Ending Finished Goods Inventory$67,000

Cost of Goods Sold for the period$540,000

Sales revenues for the period$1,254,000

Operating expenses for the period$232,000

  

A.$553,000.

 

B.$536,000.

C.$549,000.

D.$527,000.

E.$525,000.

142.Using the information below, calculate gross profit for the period. 

Beginning Raw Materials Inventory$25,000

Ending Direct Materials Inventory$30,000

Beginning Work in Process Inventory$55,000

Ending Work in Process Inventory$64,000

Beginning Finished Goods Inventory$80,000

Ending Finished Goods Inventory$67,000

Cost of Goods Sold for the period$540,000

Sales revenues for the period$1,254,000

Operating expenses for the period$232,000

  

A.$714,000.

 

B.$482,000.

C.$1,022,000.

D.$187,000.

E.$727,000.

143.Using the information below, calculate cost of goods sold for the period. 

Sales revenues for the period$1,304,000

Operating expenses for the period$239,000

Finished Goods Inventory, January 136,000

Finished Goods Inventory, December 3141,000

Cost of goods manufactured for the period$540,000

  

A.$774,000.

B.$769,000.

C.$530,000.

D.$535,000.

E.$448,000.

144.Using the information below, calculate gross profit for the period. 

Sales revenues for the period$1,304,000

Operating expenses for the period$239,000

Finished Goods Inventory, January 136,000

Finished Goods Inventory, December 3141,000

Cost of goods manufactured for the period$540,000

  

A.$774,000.

B.$769,000.

C.$530,000.

D.$535,000.

E.$448,000.

 

 

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