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.
Prevent heart disease. Grapefruit is low in calories, low in sodium, high in potassium and high in fat burning enzymes benefiting weight loss in different ways. The low calories means you can eat grapefruit freely without consuming too many calories.A low sodium intake helps flush away excess water weight caused from high sodium foods.revent heart disease. Grapefruit is low in calories, low in sodium, high in potassium and high in fat burning enzymes benefiting weight loss in different ways. The low calories means you can eat grapefruit freely without consuming too many calories.