When a weighted mean is used, the variance of the weighted sample is different from the variance of the unweighted sample. The biased weighted sample variance is defined similarly to the normal biased sample variance: where, which is 1 for normalized weights.or example, consider the weighted mean of the point [1 0] with high variance in the second component and [0 1] with high variance in the first component.
Grapefruit Diet: Foods Allowed. All meat (except for processed meat), eggs, cheese, nuts. Red onions, bell peppers, radishes, broccoli, asparagas, zucchini, mushrooms, cucumbers, green oinions, leaf spinach, cabbage, tomatoes, green beans, lettuce, coleslaw, green beans, dill pickles. Mayonnaise, low carb dressing.
The grapefruit diet has outlasted most fad diets. People were even trying it back in the 1930s. Its fans claim that grapefruit contains certain enzymes that, when eaten before other foods, help burn off fat.The diet, which has several variations, lasts 10-12 days and claims to help you lose as much as 10 pounds.he grapefruit diet has outlasted most fad diets. People were even trying it back in the 1930s. Its fans claim that grapefruit contains certain enzymes that, when eaten before other foods, help burn off fat.