The z-statistic tag has no wiki summary.
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0answers
85 views
how can the probabilities of sampling subset proportions be tested?
Assume we have 10 different jigsaw puzzles. Each puzzle has a different number of pieces, e.g.,
...
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0answers
49 views
What, exactly, is the formula for finding the Z score with a sample standard deviation?
I am very confused. I know this isn't complicated, but as my question states, how do I find the Z-score when I have the sample standard deviation?
The textbook I'm going by says it is $z = ...
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0answers
51 views
Using z-standardization to account for covariate
I would like to know whether z-standardization is an appropriate way to account for a covariate. Please consider the following dummy example (I am not interested in the interpretation of the result ...
1
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2answers
444 views
How to sequence z-score creation and log transformation in an experiment with multiple groups and conditions?
In a psycholinguistic task, participants listened to and viewed stimuli, and were asked to make acceptability judgements on them:
4 conditions
4 groups
Rating scale from 1-5
I have been advised ...
9
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3answers
921 views
How to compute the probability associated with absurdly large Z-scores?
Software packages for network motif detection can return enormously high Z-scores (the highest I've seen is 600,000+, but Z-scores of more than 100 are quite common). I plan to show that these ...
8
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3answers
4k views
What is the difference between Z-scores and p-values?
In network motif algorithms, it seems quite common to return both a p-value and a Z-score for a statistic: "Input network contains X copies of subgraph G". A subgraph is deemed a motif if it ...
2
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1answer
548 views
Is z-score meaningful in classification or regression?
I am a beginner in statistics, therefore I hope I can state my problem in a correct manner. I have a some instances or samples and I can collect below statistical parameters for classification and ...
3
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4answers
308 views
Based on z-score, is it possible to compute confidence without looking at a z-table?
How are the values in a z-table computed? Is it possible to compute confidence without looking up a z-table?
