20. Make a stem-and-leaf plot that shows the following data: (3 points)
Country
Percentage of
Households with Color
Television
mm
Austria
Belgium
Canada
Denmark
France
Germany
Greece
Ireland
Italy
Japan
Switzerland
United States
97
93
69
95
88
94
64
92
88
100
91
97
Use the key (shift + just next to the backspace) to make the vertical lines

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.