Well, I can say that it hasn't straightly increased or decreased constantly. it has been kind of a bumpy ride in a way. They started off okay but when the WWI began economic problems led in with time. Later on came the great depression which was really bad.. And from then, of course, continued to get worse. Later it got better and so on. Back and forth until now. All because of taxes increase and decrease show the stability of us economy
I was rated the most attractive person on the planet
A room providing space for everyone
Answer:
Test-retest reliability
Explanation:
Test-retest reliability has happened in statistical analysis. Test-retest reliability is of reliability. It is the external reliability. It is a statistical measurement tool to measure that the test is valid or not. It is about to conduct a test first time on a population and then again apply to the population. If the score of the first trial and the second trial are the same, the test will be valid. It indicates that the test is replicate and can be used more than one time at a specific period. The test-retest reliability indicates that the test has good validity. It is conducted two times T1 and T2 and the score will be the same. Linear correlation is used to measure the test-retest reliability of a test
The Serengeti plain is about 12,000 square miles and can be called an endless huge plain.
