Optimum Nutrition wants to measure the difference in calories before and after a new ingredient (Beta-Alanine) is added to their standard Whey protein. They take 10 samples of their standard Whey protein and then measure the same 10 samples after adding the new ingredient. Given the following scenario, is this problem a One Mean, One Proportion, Two Independent Means, or Paired Means?a) Paired Meansb) Two Independent Meansc) One Proportiond) One Mean