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Assignment:
Choose one data set. Graph the data and briefly discuss the behavior. Which forecasting method do you think will perform better? Why?
Use the data from Jan'92 to Dec'16 to run three forecasting methods: MA (choose the number of periods you consider adequate), exponential smoothing (choose the alpha you consider adequate), and a simple regression (with X representing the month). What model performs better? Why?
Split your data in two: from Jan'92 to Dec'07 and from Jan'10 to Jan'17. Run a regression analysis for both data sets. What can you conclude? What do the parameters tell you?
If a regression model for the data from Jan'08 to Dec'09 were run, how will the parameters look?
What is snowball sampling and what is a few examples I can use to talk about in a discussion thread?
A company wants to determine if employees have any preferences among 5 different health plans. A sample of 200 employees provided the data below.
Nine cards are labelled 0, 1, 2, 3, 4, 5, 6, 7, 8. Two cards are drawn at random and put on a table in a successive order, and then the resulting number
The Bureau of Labor Statistics in its Monthly Labor Review published the over per month percent change in the price index for imports from April 2006 to April 2007. Calculate the average percent change for the 9 months of 2006 and the 4 months of 2..
The length of gestation for swine is normally distributed with mean 114 days and standard deviation 0.75 day. Find the probability that a litter will be born.
As part of its testing program, LongLast tests a sample of 25 batteries. What is the standard error of the mean?
we wish to test the null hypothesis the average amount of fat content in all single servings of vivolis hazelnut gelati
World-renowned physicist Stephen Hawking claims that black holes do not gobble up everything that falls into them without leaving a trace.
When would it be appropriate to use attest for independent means? What is the key piece of information you must know in order to decide?
Assume you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information you have.
the sample mean was found to be 21.3 minutes, with a sample standard deviation of 5.5 minutes. Is there evidence to reject the claim at the alpha = 0.05 level?
How to calculate the YTM of RM's 5-year bond based on the closing pricing.
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