[Solved] The Pearson product-moment correlation coefficient,r,requires that variables be measured with ________. A)an interval or ratio scale B)an ordinal or ratio scale C)a nominal or ordinal scale D)a nominal or ratio scale Nude Dancers: Performers who engage in dancing or other forms of entertainment without wearing clothing. Call Girls: Women who are paid to engage in sexual acts with clients, typically arranged through an agency or advertisements. Streetwalkers: Individuals, often prostitutes, who solicit customers for sexual services in public places, typically on the streets. Economic Necessity: Economic necessity refers to the critical need to earn a living and support oneself and one’s family, often driving individual choices and actions.