SOLUTION: Based on the information given for each of the following studies, decide whether to reject the null hypothesis. For each give the z-score cutoff (or cutoffs) and the comparison dis

Question 209309This question is from textbook
: Based on the information given for each of the following studies, decide whether to reject the null hypothesis. For each give the z-score cutoff (or cutoffs) and the comparison distribution at which the null hypothesis should be reject, the z-score on the comparison distribution for the sample score and your conclusion. Assume that all populations are normally distributed.
I cant get table on her e hopefully you will be able to see it in the text.

I am really confused aboutz-scores
Thanks This question is from textbook

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
z-scores are the distance a data element happens to be from
the center of the distrubution of data.
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Distance is always expressed in terms of some unit of measure.
The unit you use for z-scores is the standard deviation of
the distribution.
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So if the z-score of a data element is 1 standard deviation
to the right of the mean, the data element must be 1 standard
deviation to the right.
If the z-score of a data element is 1 standard deviation
to the left of the mean, the element has a z-score of -1.
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If you want further help, email me.
Reply to stanbon@comcast.net
--------------------------
Cheers,
Stan H.
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