Examlex
While deciding between two alternatives, if information about some attributes is not available, consumers tend to weigh the criteria that are common to both alternatives quite heavily in the evaluation.
Error
The difference between the observed value and the true value in statistics and scientific measurements.
Null Hypothesis
A statement used in hypothesis testing that indicates no significant difference or effect.
P-value
The probability of observing a statistic at least as extreme as the one observed, given that the null hypothesis is true.
Level of Significance
A threshold in hypothesis testing that determines the probability of rejecting a true null hypothesis, often denoted by alpha.
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