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Quantitative analysis decision making
Question 1- Explain the advantages and disadvantages of two Time-Series Analyses. Present examples of where the advantage and disadvantage might occur in your workplace. What role does Time Series play in forecasting?
Question 2- Search the Internet and the articles database in the library for a real-life example of forecasting of interest to you. For a hint, type the word "forecasting" followed by a topic of interest to you. Carefully read the search item to understand the context, forecasting methods used, complexities involved the forecast accuracy, and related issues. Alternatively, if you have access at work; find out more about your company's forecasting system.
And the rest of the people were from River City. Out of the sample, 19 people had some form of cancer. Thirteen of these people were from Laketown
Is the mean Hemoglobin level of a group of high-altitude workers different from 16g/cc and does the mean speed of 50 cars as checked by radar on a I-70 differ from 65mph?
What would be the appropriate statistical procedure to test the following hypothesis: "Triglyceride values are a good predictor of weight in obese adults." What are the functions of parametric statistical procedures?
Consider the situations and comment on whether the sample results might cause concern about the quality of the process.
Estimate Carl's performance on the new machine.
Carry out a validation study, an I/O psychologist is developing a regression equation from data collected from those hired two years ago.
In a survey of 900 college students , 405 out of 900 students has credit card or 45% of the student owned a credit card.
Perform a factor analysis on the three variables shown in question 2 above. What do conclude about the factors? Perform another factor analysis that includes the new variable, change in external events. What do you conclude?
How many free premium channels should the research director recommend for inclusion in the 3-For-All service ?
a) Explain why ground-wave propagation is more effective over sea water than dessert terrain. b) Why do stations in the AM broadcast band always use vertically polarized antennas
consider the file showing data for magazine titles the cost of a full-color page advertisement page audience
What is the correlation between pre-test scores and post-test scores? Assuming the obvious directional hypothesis (i.e., that those who score highly at pre-test tend to score highly at post-test), is the correlation statistically significant?
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