Which of the Following Accurately Describes the Chi-Square Test for Independence?​

question 49

Multiple Choice

Which of the following accurately describes the chi-square test for independence?​

• A)​It is similar to a single-sample t test because it uses one sample to test a hypothesis about one population.
• B)​It is similar to a correlation because it uses one sample to evaluate the relationship between two variables.
• C)​It is similar to an independent-measures t test because it uses separate samples to evaluate the difference between separate populations.
• D)​It is similar to both a correlation and an independent-measures t test because it can be used to evaluate a relationship between variables or a difference between populations.

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Definitions:

Z-scores

Standardized scores that indicate how many standard deviations an element is from the mean, used in statistics for comparisons between different data sets.

P-values

The probability under a specified statistical model that a statistical summary of the data would be equal to or more extreme than its observed value.

Sick Leave

Authorized absence from work granted to employees who are unable to work due to illness, with policies varying by employer.

Perfect Attendance

Refers to the achievement of being present at every scheduled session of a particular event or institution, such as school or work, without any absences.