Examlex
Which of the following is true about the use of email as a mode of business communication?
One-sided
Refers to a type of hypothesis test or confidence interval where the alternative hypothesis targets a specific direction of effect.
Two-sided
Pertaining to hypothesis testing, where the alternative hypothesis is not directional and considers both possibilities of the effect being greater than or less than the null hypothesis.
Null Hypothesis
A statement in hypothesis testing that presumes no significant difference or effect, serving as the default until evidence suggests otherwise.
Population Parameter
A value that accurately represents a particular characteristic of an entire population.
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