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Results tagged with z-test
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user 13626
The z-test is a statistical test for hypothesis testing that uses the standard normal distribution as the sampling distribution of the test statistic. A common example is the test for the difference of two proportions.
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Z-test or t-test: Which is more appropriate for this situation? [duplicate]
We are monitoring the performance of a network using several KPI's. We want to detect if there are any anomalies for a KPI X within last hour for which we obtained (usually) 30 values from the last ho …
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