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Would this be Proportion?
@amistre64 @jim_thompson5910 @jdoe0001 @SolomonZelman
what would you define as the proportions?
a proportion is something like: this many, out of a sample of this many ... do you see anything in the information that tells us that sort of detail?
Basically, I'm asking if it would be A(to the first question).
No, I didn't think it would be.
So A is out..
i believe A is out yes. average and mean tend to be synonyms
if out of 64 students, the average score was 82 ... this is not telling us how many of the students got an 82 .. x/64 would be a proportion setup
i dont know what a paired difference is ... so my best guess is that A is not it :)
Well, to do C I would also need the Standard Deviation
pop sds are given .. so B is plausible
T test uses the sample deviations
can you define what a paired differences is?
Well, if we do Paired Differences, we need Data..so I think that's out too.
Like a table of values for each of the samples..
Which is not given..so D should be out.
paired differences would only be used if both sample sizes are the same and the samples are dependent (connected) somehow eg: before and after tests
i think paired data tends to use the same sample group, and compares it like a before and after
so all others being equal ... i know what id guess at :)
Ah..okay, thanks a bunch guys! :)
good luck ;)