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MAT 343 Laboratory 1 Matrix and Vector Computations in MATLAB
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DATCB 565 University of Phoenix Data Analysis and Business Analytics Assessment
Assessment Information
Part 2 of the assessment gives you an opportunity to strengthen your skills in gathering and analyz ...
DATCB 565 University of Phoenix Data Analysis and Business Analytics Assessment
Assessment Information
Part 2 of the assessment gives you an opportunity to strengthen your skills in gathering and analyzing business-related information. It also provides a deeper understanding of how companies can look at globalization as part of their strategic and operational plans.
Part 2b: Hypothesis Testing
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.
Download the Call Center Waiting Time database.
Each row in the database corresponds to a different call. 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 ?=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 ?=0.05.
Assess if the new protocol served its purpose. (Hint: This should be a test of means for 2 independent groups).
Write a 175-word summary of your conclusions
Complete Intermediate Algebra Discussion
M6D1: Applying a Rational Function5151 unread replies.5151 replies.Listed below are three examples of rational functions u ...
Complete Intermediate Algebra Discussion
M6D1: Applying a Rational Function5151 unread replies.5151 replies.Listed below are three examples of rational functions used to model particular situations. While the applications are not related, you will discover that the functions all exhibit a similar behavior.In many situations, a model is approximate. In the first two examples below, the functions were derived empirically, meaning they were determined by considering the actual, real-world results of a similar activity in the past. The model approximates what would happen in a future, similar situation.Other models, like the third example below, may be exact relations determined by known, fixed material and labor costs. That is, for physically meaningful values of n – you cannot make a negative number of DVDs or an infinite number of DVDs – the output C(n) is exact.Also, a model is often limited in its applicability. You will see this in all three of these examples, and the implications of these limitations will be a part of the resulting discussion.In the following examples, each function has a denominator, making them all rational functions, and so the denominator becoming zero has to be avoided because dividing by zero is undefined, or not allowed. For this activity, you will need to create and post a graph. The easiest way to plot points and graph a function and then generate an image of the work is to use Desmos, a free, online graphing calculator (Links to an external site.)Links to an external site.. The following information will help you with this work:Written directions on using the online calculator [PDF, 461 KB]Video directions on using the online calculator [Video, 3:32 mins]For your initial post, please do the following:Choose one of the rational functions in the examples given above.Select eight values of the independent variable for your chosen function, and then compute the corresponding output of the function. Show your calculations. For examples 1 and 2, use this random number generator (Links to an external site.)Links to an external site. to select your x-values. This will assure you’ve chosen a variety of values so your calculations will give you an idea of the range of the function. Make sure to specify Generate 8 random integers with a value between 1 and 100. For example 3, the random number generator is less useful. Just be sure to include some large numbers. For your chosen rational function, plot the eight data points you computed in (2) and then plot the entire function so that the graph passes through the points you plotted. This will require that you specify the window of your graph.For examples 1 and 2, the specified window of your graph should include all the possible values of the independent variable x. You will not be able to include all y values (you will see why), but specify the range of the y-axis so that you can see what happens when x is close to 100.For example 3, you cannot include all possible values of the independent variable x. But extend the x-axis out far enough to see what happens as xgets increasingly large.In your post:Show your calculations from part (2).Describe what the graph tells you about your corresponding example problem.Finally, insert the image of your graph (see instructions above).
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Most Popular Content
MAT 343 Laboratory 1 Matrix and Vector Computations in MATLAB
Complete the following MATLAB Exercise. The attached file has instructions and questions
MAT 343 Laboratory 1 Matrix and Vector Computations in MATLAB
Complete the following MATLAB Exercise. The attached file has instructions and questions
Statistics Question
I need help with the uploaded questions, I need answers to the questions and will like precise and straight forward answer ...
Statistics Question
I need help with the uploaded questions, I need answers to the questions and will like precise and straight forward answers. I will be submitting in 2days
DATCB 565 University of Phoenix Data Analysis and Business Analytics Assessment
Assessment Information
Part 2 of the assessment gives you an opportunity to strengthen your skills in gathering and analyz ...
DATCB 565 University of Phoenix Data Analysis and Business Analytics Assessment
Assessment Information
Part 2 of the assessment gives you an opportunity to strengthen your skills in gathering and analyzing business-related information. It also provides a deeper understanding of how companies can look at globalization as part of their strategic and operational plans.
Part 2b: Hypothesis Testing
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.
Download the Call Center Waiting Time database.
Each row in the database corresponds to a different call. 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 ?=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 ?=0.05.
Assess if the new protocol served its purpose. (Hint: This should be a test of means for 2 independent groups).
Write a 175-word summary of your conclusions
Complete Intermediate Algebra Discussion
M6D1: Applying a Rational Function5151 unread replies.5151 replies.Listed below are three examples of rational functions u ...
Complete Intermediate Algebra Discussion
M6D1: Applying a Rational Function5151 unread replies.5151 replies.Listed below are three examples of rational functions used to model particular situations. While the applications are not related, you will discover that the functions all exhibit a similar behavior.In many situations, a model is approximate. In the first two examples below, the functions were derived empirically, meaning they were determined by considering the actual, real-world results of a similar activity in the past. The model approximates what would happen in a future, similar situation.Other models, like the third example below, may be exact relations determined by known, fixed material and labor costs. That is, for physically meaningful values of n – you cannot make a negative number of DVDs or an infinite number of DVDs – the output C(n) is exact.Also, a model is often limited in its applicability. You will see this in all three of these examples, and the implications of these limitations will be a part of the resulting discussion.In the following examples, each function has a denominator, making them all rational functions, and so the denominator becoming zero has to be avoided because dividing by zero is undefined, or not allowed. For this activity, you will need to create and post a graph. The easiest way to plot points and graph a function and then generate an image of the work is to use Desmos, a free, online graphing calculator (Links to an external site.)Links to an external site.. The following information will help you with this work:Written directions on using the online calculator [PDF, 461 KB]Video directions on using the online calculator [Video, 3:32 mins]For your initial post, please do the following:Choose one of the rational functions in the examples given above.Select eight values of the independent variable for your chosen function, and then compute the corresponding output of the function. Show your calculations. For examples 1 and 2, use this random number generator (Links to an external site.)Links to an external site. to select your x-values. This will assure you’ve chosen a variety of values so your calculations will give you an idea of the range of the function. Make sure to specify Generate 8 random integers with a value between 1 and 100. For example 3, the random number generator is less useful. Just be sure to include some large numbers. For your chosen rational function, plot the eight data points you computed in (2) and then plot the entire function so that the graph passes through the points you plotted. This will require that you specify the window of your graph.For examples 1 and 2, the specified window of your graph should include all the possible values of the independent variable x. You will not be able to include all y values (you will see why), but specify the range of the y-axis so that you can see what happens when x is close to 100.For example 3, you cannot include all possible values of the independent variable x. But extend the x-axis out far enough to see what happens as xgets increasingly large.In your post:Show your calculations from part (2).Describe what the graph tells you about your corresponding example problem.Finally, insert the image of your graph (see instructions above).
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