Rhubarb fool. By Antony Worrall Thompson. Cream, with its smooth velvety richness, is the ultimate indulgence food. It is the basis or the crowning glory of innumerable desserts, from panna cotta to cream cakes, and adds richness and depth to creamy stews and pasta dishes.
Say Î¸ {\displaystyle \theta } is the average increase in shoe size for upper-class people compared to middle-class people: then the Wald test can be used to test whether Î¸ {\displaystyle \theta } is 0 (in which case social class has no association with shoe size) or non-zero (shoe size varies between social classes).
How is it used? The test for low-density lipoprotein cholesterol (LDL-C) is used as part of a lipid profile to predict an individual's risk of developing heart disease and to help make decisions about what treatment may be needed if there is borderline or high risk. It may also be used to monitor the effectiveness of treatment once it is initiated.