Quick questions:

/in /by
19.Which of the hypotheses tests below are two-tailed?

1. A school administrator believes that recent TAKS test scores are above the national average.

2.  A car dealer believes that the average value of used cars has changed since the recession.

3.   A Texas state senator has taken a sample of his constituents that indicates their incomes are below the historical state average.  The senator asserts that Texas incomes have fallen. (Points : 3)

      
      
      
      

 

20.In decomposition the seasonal indices are the period relationships between what two data series? (Points : 3)

      
      
      
      

 

21.

If you have trend in a data series how can you confirm it and determine if it is statistically significant” (Points : 3)

      
      
      
      

 

 
 
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.