Jerome asked students at his school if they played a musical instrument and how many different sports they played in a year and how many minutes they spent on homework each week.

a. students who play 4 sports are more likely to spend 2 to 5 hours on homework than students who play 1 sport.
b. students who play 4 sports are less likely to spend 5 to 10 hours on homework than students who play 3 sports.
c. students who play 1 sport and students who play 3 sports are equally likely to spend less than 2 hours on homework.
d. students who play 2 sports are more likely to spend 10 or more hours on homework than students who play 1 sport.

Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.