Examlex
Compare CRM marketing efforts between current customers and new customers.
Null Hypothesis
The null hypothesis is a statement used in statistics that proposes there is no significant difference or effect, serving as the starting point for hypothesis testing.
Alternative Hypothesis
A statistical hypothesis that proposes a difference or effect, contrasting the null hypothesis.
Standard Error
A measure of the variation or dispersion of sample means from the true population mean.
Test Statistic
A standardized value derived from sample data, used to determine the extreme nature of an observed outcome under a null hypothesis.
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