Define the Following:selection Bias

question 63

Essay

Define the following:selection bias

---

Definitions:

Two-Tailed Test

A statistical test where the significance area is on both ends of the distribution, examining if a sample falls outside a specific value range on either side.

Null Hypothesis

A hypothesis used in statistics that proposes no significant difference or effect, serving as the default assumption to be tested against an alternative hypothesis.

Test Statistic

A value determined from sample data, used to make decisions on a hypothesis in statistical testing.

Level Of Significance

A threshold in hypothesis testing, representing the probability of rejecting a true null hypothesis, typically denoted by alpha.