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.
One popular grapefruit diet has people eating either half a grapefruit or drinking 8 ounces of grapefruit juice three or four times daily. We havenât seen any studies showing that eating grapefruit will actually make anyone thinner, but new research does demonstrate that grapefruit can help lower cholesterol.rapefruit has long had a reputation as a health food. Not only is it loaded with nutrients like vitamin C, potassium and folic acid, but it also has been reported to help people lose weight.