To get 10% of your calories from polyunsaturated fats you would need to eat 200 calories worth. So 1 serving of walnuts would give you 180 calories. So one serving of walnuts would be 9% of your daily calories.
Answer: 3/6 and simplfied is 1/2
If by bivariate data you mean data in charts or any type of collection of data, the data's would be proportional and would be a straight line and go through the origin in a coordinate plane.
