The Central Problem in the Case of Two-Sample Hypothesis Test

question 14

Multiple Choice

The central problem in the case of two-sample hypothesis test is to determine________.

• A) if the samples are random.
• B) if sample statistics are the same as those of the sampling distribution.
• C) if the parameters are representative of the populations.
• D) if two populations differ significantly on the trait in question.

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Definitions:

Dependent Variable

In research, it is the variable being tested and measured for change, to see how it responds to variations in the independent variable.

Systematic Variance

The portion of variation in an outcome that can be consistently explained by variables or factors in a study.

Error Variance

The variability in a set of data that cannot be attributed to the factors being studied, often resulting from measurement errors or other inconsistencies.

Dependent Sample Designs

Research designs involving comparisons of measurements from the same group of subjects under different conditions or at different times.