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A _____________ question is really two questions in one.
Alternative
In hypothesis testing, this refers to the hypothesis that contradicts the null hypothesis, suggesting some effect or difference exists.
Null Hypothesis
In statistical testing, it is the assertion that there is no effect or no difference, used as a default hypothesis to challenge with experimental evidence.
Confidence Interval
An estimated range of values derived from sample data that is likely to contain the value of an unknown population parameter, expressed at a specified level of confidence.
Standard Error
A statistical measure that quantifies the amount of variation or dispersion of a sample mean relative to the true population mean.
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