The adjusted r^2 for the quadratic model is 0.84 and the adjusted r^2 for the simple regression model is 0.87. What model is better?

Ticket sales are given below. Under the 1st order autoregressive model estimated above, what is the predicted ticket sale in 2021?   Year Sales (in thousands) 2018 2.01 2019 2.55 2020 2.63  

The effect of an unpredictable, rare event will be contained in the ________ component in a time series.

Which of the following shows the correct data tabulation?  

Which of the following statements about time series is correct?

Create a method called calcVal that has two numeric parameters and returns a number.  Return the sum of those two values (first plus the second).  The parameter and return data types should match the data type for the promptUserData method created in the last question. Just like the last question, don’t include the main method or public class, just the method described.  If needed, assume Scanner package has been imported.  Also include the javadoc.

Write a method called promptUserData that has no parameters and returns an int.  Prompt the user for an int.  This int is what is returned. Don’t include a main method or public class; you can also assume Scanner has been imported.  Just the method described above.  Include the Javadoc.

Create a method called calcVal that has two numeric parameters and returns a number.  Return the product of those two values.  The parameter and return data types should match the data type for the promptUserData method created in the last question. Just like the last question, don’t include the main method or public class, just the method described.  If needed, assume Scanner package has been imported.  Also include the javadoc.

A nurse is listening to the lung sounds of a severely dehydrated client. The nurse hears sounds that are described as grating or leathery. What type of adventitious sounds are these?

Describe which part of the object would be referred to highlight.