The Average Scores of Two Samples Taken from the Same

question 29

Multiple Choice

The average scores of two samples taken from the same population are most likely to differ if

• A) the samples are both small.
• B) the standard deviations of the samples are both small.
• C) the samples differ from each other in size.
• D) the sample means are both similar to the sample medians.

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Definitions:

Test Statistic

This is a value, derived from sample data, used in hypothesis testing to determine whether to reject the null hypothesis.

Null Hypothesis

The theory suggesting that any noted discrepancies between certain groups are merely the result of sampling or experimental inaccuracies, asserting no substantial variance exists.

Sample Size

Refers to the number of observations or data points collected from a population for the purpose of statistical analysis, influencing the accuracy of the results.

Pooled Proportion

A method used to combine the proportions from different groups in statistical analysis to obtain a common proportion.