Review02 - OBSERVED AND TABLE VALUES Notations for scores...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
OBSERVED AND TABLE VALUES Notations for scores and statistics. Sometimes people are mixing two different important things. The first one is the value of our test statistics (the notations used X 2 observed , z observed or X 2 obs , z obs etc.) which we obtained from the data only with the table values that correspond to α level (notations used are X 2 α , z α and z α 2 etc.) That may sound confusing but sometimes we omit subscript when it should be clear form the contents which one we of those two we are talking about. (So we just write X 2 , z etc. for both of them.) Values of the statistic are different for different samples. (That is if I take two samples I will get two different observed values ( X 2 observed or z observed depending on the problem).) On the contrary the table values has nothing to do with the data . They are computed using the table based on the α level that we (choose) specify for our test. For example we know from the table that z 0 . 025 1 . 96 and this number
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Review02 - OBSERVED AND TABLE VALUES Notations for scores...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online