For a statistics project, a student surveys a random sample of students from her college. She gathers data on the following variables:

Gender,

Facebook account (yes/no),

Hours socializing (hours spent on virtual social networking or socializing each week),

Money socializing (dollars spent on dating or socializing each week).

She plans to conduct a chi-square test of independence. Which pair of variables can she use? Check all that apply.

Group of answer choices

gender and Facebook account

gender and hours socializing

Facebook account and hours socializing

hours socializing and money socializing

gender and money socializing

Facebook account and money socializing