In a research study conducted to determine if arrests were related to the socioeconomic class of the offender, the chi square critical score was 9.488 and the chi square test statistic was 12.2. We can conclude that________.
A) the variables are independent.
B) being in a certain socioeconomic class causes arrests.
C) the variables are dependent.
D) the probability of getting these results by random chance alone is 0.5.

Question

Quizplus · Accepted Answer

The chi square test statistic (12.2) is greater than the chi square critical score (9.488), which indicates that the variables are dependent. Therefore, we can conclude that there is a relationship between socioeconomic class and arrests. Choice B (being in a certain socioeconomic class causes arrests) cannot be concluded from this information alone as correlation does not necessarily imply causation. Choice A (the variables are independent) and D (the probability of getting these results by random chance alone is 0.5) are also incorrect.

In a Research Study Conducted to Determine If Arrests Were