Problem 2: Situation: Marites De Mapigil receives 90 and 91 as her grade on her three major subjects. Construct the sampling distribution of his mean grade. Step 1: Determine the number of sets of all possible random samples that can be drawn from the given population Step 2: List all the possible samples and compute the mean of each sample Step 3: Construct the sampling distribution Step 4: Construct a histogram of the sampling distribution of the mean