Below is a chi-square and Cramer’s V statistic from Maricopa County’s Sheriff Of

Question

Below is a chi-square and Cramer’s V statistic from Maricopa County’s Sheriff Offices’ Annual Report (2014-2015). The tables tests the relationship between whether a driver had an item seized by that driver’s race. The chi-square is significant, so a relationship exists. What does this tell us about the Maricopa County Sheriff's Office? How does the Cramer’s V weigh in here?

+ p < 0.10; * p <0.05; ** p < 0.01

Driver post-stop perceived race or ethnicity White Unknown Native American Hispanic Black Asian Total Driver item seized - No 18747 271 401 5671 1988 569 27647 Driver item seized - Yes 268 2 23 131 47 5 476 Total 19015 273 424 5802 2035 574 28123 Chi-Square 64.29 ** Cramer's V 0.048 **

Explanation / Answer

In this study using chi square test given that their is significant relationship between whether a driver had an item seized by that driver’s race. But chi square test dose not say just how significant and this is given by  Cramer’s V.

Cramer’s V value varried from 0 to 1, if it closeto 0 means little association and if it is close to 1 means strong association.

In oue example Cramer’s V is 0.048 which is close to 0 means there is little association between whether a driver had an item seized by that driver’s race.

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