Examlex
Ms. Smith has decided to implement a changing-criterion design to improve students' behavior. Which of the following is an issue she should attend to in order to be successful?
Z-score
A statistical measure that indicates the number of standard deviations a data point is from the mean.
Normal Random Variable
A random variable that has a distribution defined by a normal curve, characterized by its mean and variance.
Mean
A measure of central tendency calculated by dividing the sum of all values in a dataset by the number of values.
Standard Normal Random Variable
A normal distribution with a mean of 0 and standard deviation of 1, used as a reference to determine probabilities for normal distributions.
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