When Would You Use a One-Tailed Rather Than a Two-Tailed

question 39

Essay

When would you use a one-tailed rather than a two-tailed t-test when checking significance levels?

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Definitions:

Representative Samples

A subset of a larger population that accurately reflects the characteristics or behaviour of the whole population.

Sampling Bias

A statistical error that occurs when a sample is not representative of the population from which it is drawn, resulting in skewed findings.

Validity

Validity refers to the extent to which a test, measurement, or research study accurately reflects what it is intended to measure, ensuring that the results are truthful and reliable.

Mobile-first Approach

A design strategy that prioritizes optimization for mobile devices when creating websites or applications, considering limitations and capabilities of smaller screens.