1.1 A medium apple has an average of 80 calories. However, the number of calories A varies with the size and type of apple. Let's say that the standard error is SEA = 10 calories. Similarly, the number of calories B in a bran muffin is 400 calories with a standard error of SEB = 40 calories. Let C be the total number of calories in a lunch consisting of a medium apple and a bran muffin. b. Find the estimated total number of calories of C along with the standard error SEc. Do the same for a lunch that also includes a cup of yogurt, which has 220 calories, give or take 15 calories or so.