Examlex
The student is listening to a lecture on the SQRRR method. Which statement indicates that teaching has been effective?
Two-tailed Test
A statistical test hypothesis that allows for the possibility of an effect in two directions, either greater than or less than.
Significant
In statistics, indicating that the results of an analysis are unlikely to have occurred purely by chance, at a specified level of probability.
Z-test
A method of statistical analysis that evaluates whether there is a significant difference between the means of two populations, given known variances and a large sample size.
µ = 109
Represents the mean (µ) of a dataset or distribution, here specifically stated as 109.
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