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* Create a set of data that can be modeled as a polynomial function.
* Please provide a reference to the data. Plot the data using Microsoft Excel including the equation for the fit.
* Discuss how closely the data seem to match to the best fit line
What type of information can you use for this that you could find in an everyday situation? PLEASE HELP!
Then I need to do the same for data that can be modeled using a rational function.
I'm not clear what type of data I can use for this one. I need to provide two graphs, their data and the equation for them.
A case-control study of relationship between liver cirrhosis among both non alcoholics and alcoholics. Describe whether smoking is confounder.
Please define correlation and regression. Describe a management or business-related scenario where a researcher might be interested in whether a number of variables are correlated (without any assumptions about causation).
If you are using exponential smoothing for forecasting an annual time series of revenues, what is your forecast for the next year if the smoothed value for this year is $32.4 million?
Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means.
The diameter of stabilizing O-Rings washers manaufactured at a large factory is expected to be normally distributed with a mean of 1.30 inches and a standard deviation of 0.04 inches.
In a recent year, about two-thirds of U.S. households purchased ground coffee. Consider the annual ground coffee expenditures for households purchasing ground coffee
Heart disease patients often experience spasms of the coronary arteries. Because biological amines such as serotonin may play a role in these spasms, a research team measured serotonin levels post-mortem from patients who died of heart disease and..
The Atlanta Convention & Visitors Bureau just released a report on the percentage of available hotel rooms in Fulton County that were rented (occupied) in 2003.
Compute the standard error of estimate, and interpret its meaning.
Using standard normal table, show critical value for left-tailed test with α = 0.02.
The columns represent length of customer loyalty (in years) at a primary supermarket. The rows represent regions of the United States. What is the probability that a customer chosen at random has been loyal 10 to 14 years?
The specification limits are set between 15.8 and 16.2 ounces.
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