A researcher would like to know if the type of pet a person owns influences his or her resistance to viruses. She conducts a survey in which participants are asked if they have had a pet for at least 4 months, and if so, what type of pet (none, dog, cat or other). Participants also indicate whether they have had a cold in the past 4 months (yes/no). What type of analysis should she conduct? Question 17 options: Independent sample t-test Chi-square or Fisher's exact Wilcoxon signed rank test Spearman correlation