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.
Recipes to Try: Grapefruit Brulee and More Healthy Recipes with Grapefruit. Note: Grapefruit and grapefruit juice can interact with certain medications and make them less effective, so ask your doctor or pharmacist if you should avoid grapefruit. Must-Read: 5 More of the Healthiest Winter Foods. Itâs a get-skinny food.