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let the length along the river be t
x=(3480-y-t)/2
y=(3480-2x-t)
area= (3480-y-t)/2 x (3480-2x-t)
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https://newclassroom3.phoenix.edu/Classroom/#/contextid/OSIRIS:51697001/context/co/view/activityDetails/activity/61dcb793- ...
QNT561 University Phoenix Payment Time Billing System Case Study Paper
https://newclassroom3.phoenix.edu/Classroom/#/contextid/OSIRIS:51697001/context/co/view/activityDetails/activity/61dcb793-c0a7-4d62-9dbf-7987016f3214/expanded/FalsePurpose of Assignment The purpose of the assignment is to develop students' abilities in using datasets to apply the concepts of sampling distributions and confidence intervals to make management decisions. Assignment Steps Resources: Microsoft Excel®, The Payment Time Case Study, The Payment Time Case Data Set Review the Payment Time Case Study and Data Set. Develop a 700-word report including the following calculations and using the information to determine whether the new billing system has reduced the mean bill payment time:Assuming the standard deviation of the payment times for all payments is 4.2 days, construct a 95% confidence interval estimate to determine whether the new billing system was effective. State the interpretation of 95% confidence interval and state whether or not the billing system was effective.Using the 95% confidence interval, can we be 95% confident that µ ≤ 19.5 days?Using the 99% confidence interval, can we be 99% confident that µ ≤ 19.5 days?If the population mean payment time is 19.5 days, what is the probability of observing a sample mean payment time of 65 invoices less than or equal to 18.1077 days? Format your assignment consistent with APA format. Click the Assignment Files tab to submit your assignment.
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RES 710 University of Phoenix What Is a Skewed Distribution Discussion Questions
PART 1.Write a 250- to 300-word response to the following:Discuss the following items using your own words to convey your ...
RES 710 University of Phoenix What Is a Skewed Distribution Discussion Questions
PART 1.Write a 250- to 300-word response to the following:Discuss the following items using your own words to convey your understanding. Include examples, when necessary.What is a skewed distribution?What causes a skew?How might a researcher deal with skewed datUnder what conditions would it be acceptable to allow skewed variables in a research studyPART 2.Write a 250- to 300-word response to the following:How will you use measures of central tendency in your dissertation research or professional practice?...(Study pool tutor, My dissertation research is workplace production and my professional practice is accounting
Colorado State University GC Working with Radioactive Material Paper
As a scientist, you study 200 grams of a radioactive material for seven months, and suppose you have obtained the followin ...
Colorado State University GC Working with Radioactive Material Paper
As a scientist, you study 200 grams of a radioactive material for seven months, and suppose you have obtained the following data:
Month
Weight
0
200
1
176.6
2
151.8
3
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4
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5
103.6
6
91
Note that you are asked to use a graphing utility in this assignment. A recommended online utility is https://www.desmos.com/calculator (Links to an external site.). It allows graphing and then copying and posting into a Word document.
Using a graphing utility, draw a scatter diagram with month and weight as your variables.
Using a graphing utility, build an exponential model from the data
Express the weight as a function of months.
Graph the exponential function in the scatter diagram.
Interpret the parameters of this function
Determine the half -life of the radioactive material.
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8 pages
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QNT561 University Phoenix Payment Time Billing System Case Study Paper
https://newclassroom3.phoenix.edu/Classroom/#/contextid/OSIRIS:51697001/context/co/view/activityDetails/activity/61dcb793- ...
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https://newclassroom3.phoenix.edu/Classroom/#/contextid/OSIRIS:51697001/context/co/view/activityDetails/activity/61dcb793-c0a7-4d62-9dbf-7987016f3214/expanded/FalsePurpose of Assignment The purpose of the assignment is to develop students' abilities in using datasets to apply the concepts of sampling distributions and confidence intervals to make management decisions. Assignment Steps Resources: Microsoft Excel®, The Payment Time Case Study, The Payment Time Case Data Set Review the Payment Time Case Study and Data Set. Develop a 700-word report including the following calculations and using the information to determine whether the new billing system has reduced the mean bill payment time:Assuming the standard deviation of the payment times for all payments is 4.2 days, construct a 95% confidence interval estimate to determine whether the new billing system was effective. State the interpretation of 95% confidence interval and state whether or not the billing system was effective.Using the 95% confidence interval, can we be 95% confident that µ ≤ 19.5 days?Using the 99% confidence interval, can we be 99% confident that µ ≤ 19.5 days?If the population mean payment time is 19.5 days, what is the probability of observing a sample mean payment time of 65 invoices less than or equal to 18.1077 days? Format your assignment consistent with APA format. Click the Assignment Files tab to submit your assignment.
Statistics Chamberlain Week 3 Measures of Central Tendency and Variation HW
Understanding descriptive statistics, their measures of center and their variability, helps form the foundation of statist ...
Statistics Chamberlain Week 3 Measures of Central Tendency and Variation HW
Understanding descriptive statistics, their measures of center and their variability, helps form the foundation of statistical analysis. Descriptive statistics tell us how frequently an observation occurs, what is considered average, and how far data in our sample deviate from being average. With these statistics, we are able to provide a summary of characteristics from both large and small datasets. Measures of central tendency and variability provide valuable information on their own, and form the cornerstone of the quantitative structures that we build in our research studies.Required ResourcesRead/review the following resources for this activity:OpenStax Textbook: Chapter 2LessonMinimum of 1 scholarly sourceIn your reference for this assignment, be sure to include both your text/class materials AND your outside reading(s).Initial Post InstructionsFor this Discussion, you will examine central tendency and variability in terms of pulse rate.Find and record the pulse rate of 10 different people where you work. Tell us a little about the population from which you drew your data. Describe your findings in terms of central tendency and variability.Consider using some of the following to help you form your initial discussion post:What are your measures of central tendency (i.e., mean, median, and mode)? Which might be the better measure for central tendency and why?What is the standard deviation of your data? How variable are the data (range)?Are there any outliers? Investigate possible reasons for these outliers, and things that might limit them if further study were to be carried out.What are some variables that should be considered in discussing your measures of central tendency and variation? Is there any skewness in your measured data?How would you describe this data (i.e. what insights did you gain from this data)?Follow-Up Post InstructionsRespond to at least two peers or one peer and the instructor. Further the dialogue by providing more information and clarification.
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