A chi-square test of the relationship between personal perception of emotional health and marital status led to rejection of the null hypothesis, indicating that there is a relationship between these two variables. One conclusion that can be drawn is: a. Marriage leads to better emotional health. b. Better emotional health leads to marriage. c. The more emotionally healthy someone is, the more likely they are to be married. d. There are likely to be confounding variables related to both emotional health and marital status.