[Solved] The null hypothesis for a chi-square test on a contingency table is that the variables are dependent. Gigolos: Typically refers to men who are paid to provide companionship or sexual services to clients, often in the context of heterosexual interactions. Sexual Services: Activities provided for a fee that involve sexual gratification or erotic satisfaction of a client. Ejaculate: The release of semen from the male reproductive system during orgasm. Cunnilingus: Oral stimulation of the female genitals.