Researchers Use _____________ to Determine Whether the Difference Between Groups

question 36

Multiple Choice

Researchers use _____________ to determine whether the difference between groups is statistically significant.

• A)correlation coefficients
• B)descriptive statistics
• C)hypothesis testing
• D)vector analysis

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Definitions:

Null Hypothesis

A statement positing that no statistical significance exists in a set of observations, serving as the default assumption in hypothesis testing.

Rejection Region

The area in the probability distribution that, if the test statistic falls within, leads to the rejection of the null hypothesis.

P-value Method

A statistical approach that determines the significance of results by comparing the p-value to a predetermined level of significance, often determining if there is enough evidence to reject a null hypothesis.

Rejection Region

The range of values for which the null hypothesis is rejected in hypothesis testing, based on the chosen significance level.