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Assignment Content

Purpose 
This assignment is intended to give you an opportunity to strengthen your skills in gathering and analyzing business-related information. It provides a deeper understanding of how companies can look at globalization as part of their strategic and operational plans. The assignment has two parts: one focused on information research and analysis, and the other is on applied analytics.  

Resources: 

Microsoft Excel® 
“How Netflix Expanded to 190 Countries in 7 Years” from Harvard Business Review
Call Center Waiting Time
Part 1: Globalization and Information Research
Context: Companies that perform well in their country of origin usually consider expanding operations in new international markets. Deciding where, how, and when to expand is not an easy task, though.  

Many issues need to be considered before crafting an expansion strategy and investing significant resources to this end, including:  

the level of demand to be expected for the company’s products/services 
presence of local competitors 
the regulatory, economic, demographic, and political environments 
Carefully researching and analyzing these and other factors can help mitigate the inherent risk associated with an overseas expansion strategy, thus increasing the likelihood of success. 

As a data analyst in your company’s business development department, you’ve been tasked with the responsibility of recommending countries for international expansion. You’ll write a report to the company’s executive team with your research, analysis, and recommendations. 

Instructions: 
Write a 525-word summary covering the following items: 

According to the article listed above, what were the most important strategic moves that propelled Netflix’s successful international expansion? 
The article mentions investments in big data and analytics as one of the elements accompanying the second phase of overseas expansion. Why was this investment important? What type of information did Netflix derive from the data collected? 
According to the article, what is exponential globalization? 
Not all international expansion strategies are a resounding success, however. Research an article or video that discusses an instance in which an American company’s expansion efforts in another country failed. According to the article/video you selected, what were the main reasons for this failure? Do you agree with this assessment? 
Explain some of the reasons why certain companies’ expansion plans have failed in the past. 
Part 2: Hypothesis testing 
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 Call Center Waiting Time 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. 
Submit your assignment.

Competency 2 Part 2 Hypothesis testing:

Part 2: First Hypothesis Test

This is a one-tail test in which the population is large enough to use the “z score” as the test statistic. However, because we want to ensure minimal errors, we will be comparing the p-value with the area of significance (0.05). In order to compute the p-value, we need to first identify the z-score. This test calls for a 90% confidence level which means that the z score is 1.645.
Compute these two values:
(1) Identify the z-score
(2) Identify the Ho and the H1. µ is the symbol for “sample population”.
The null and alternate hypotheses are defined by seconds so we are using 150 seconds in the hypothesis statements for this first test:
Ho : µ ≥ 150;
H1 : µ µ1;

H1: µ2 < µ1.

This is a one-tailed (left hand) test. Because of the very large samples, there is no real difference between finding the critical value with a normal distribution (z score) or the Student’s t distribution. However, we are also going to use the p-value as the final comparison the with area of significance for our decision. Your p-value will be computed using either the z score or the t-statistic. The choice is yours.
2. The final step is to compute the p-value. You can do that by using the p-value calculator at the link below. You will calculate the p-value from “z” or “t” as a one tail test. The z/t score you will be using is 1.645.

3. https://goodcalculators.com/p-value-calculator/

For this test, we are comparing the p-value to the area of significance (0.05). Where does the p-value fall? What does that mean when we apply the decision rule? Now, explain what this tells you, i.e. what are the results of the test, and what would you recommend.

Competency 2 Part 2 Hypothesis testing:

Part 2: First Hypothesis Test

This is a one-tail test in which the population is large enough to use the “z score” as the test statistic. However, because we want to ensure minimal errors, we will be comparing the p-value with the area of significance (0.05). In order to compute the p-value, we need to first identify the z-score. This test calls for a 90% confidence level which means that the z score is 1.645.
Compute these two values:
(1) Identify the z-score
(2) Identify the Ho and the H1. µ is the symbol for “sample population”.
The null and alternate hypotheses are defined by seconds so we are using 150 seconds in the hypothesis statements for this first test:
Ho : µ ≥ 150;
H1 : µ µ1;

H1: µ2 < µ1.

This is a one-tailed (left hand) test. Because of the very large samples, there is no real difference between finding the critical value with a normal distribution (z score) or the Student’s t distribution. However, we are also going to use the p-value as the final comparison the with area of significance for our decision. Your p-value will be computed using either the z score or the t-statistic. The choice is yours.
2. The final step is to compute the p-value. You can do that by using the p-value calculator at the link below. You will calculate the p-value from “z” or “t” as a one tail test. The z/t score you will be using is 1.645.

3. https://goodcalculators.com/p-value-calculator/

For this test, we are comparing the p-value to the area of significance (0.05). Where does the p-value fall? What does that mean when we apply the decision rule? Now, explain what this tells you, i.e. what are the results of the test, and what would you recommend.

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