2 questions about statistics.

Question

konradzuse · Answer

The sampling distribution of a statistic is
A.	the probability that we obtain the statistic in repeated random samples.
B.	the mechanism that determines whether randomization was effective.
C.	the distribution of values taken by a statistic in all possible samples of the same size from the same population.
D.	the extent to which the sample results differ systematically from the truth.


	The variability of a statistic is described by
A.	the spread of its sampling distribution.
B.	the amount of bias present.
C.	the vagueness in the wording of the question used to collect the sample data.
D.	the stability of the population it describes.

I guess C for the first one.

konradzuse · Answer

not too sure about #2.....  @jim_thompson5910

jim_thompson5910 · Answer

1C sounds good, for 2, it sounds like A, but I'm not 100% sure

jim_thompson5910 · Answer

since variability usually means spread

konradzuse · Answer

yeah you were right, I'm done 80 woot...

konradzuse · Answer

now I have to finish my next midterm due tomorrow @ 9am and I can let my brain rest :).