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Linear regression is widely used in biological behavioral and social sciences to describe relationship between variables. It ranks as one of the most important tools used in these disciplines.
1.Medicine: As one example early evidence relating tobacco smoking to mortality and morbidity came from studies employing regression. Researchers usually include several variables in their regression analysis in an effort to remove factors that might produce spurious correlations. For the cigarette smoking example researchers might include socio economic status in additional to smoking to ensure that any observed effect of smoking on mortality is not due to some effect of education or income. However it is never possible to include all possible confounding variables in a study employing regression. For the smoking example a hypothetical gene might increase mortality and also cause people to smoke more. For this reason randomized controlled trains are considered to be more trustworthy than a regression analysis.
2. Finance: Linear regression underlies the capital asset pricing model, and the concept of using beta for analyzing and quantifying the systematic risk of an investment. This comes directly from the beta coefficient of the linear regression model that relates the return on the investment to the return on all risky assets.
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
The following figure shows a histogram of the annual maxima of daily rainfall levels (in millimetres) recorded at Maiquetia international airport, Venezuela, for the years 1952 to
will the ogive curve eventually decrease?
Distinction between Management and Financial Accounting The variations between control sales and financial sales include Control sales provides details to individuals within a
Just interested how indepth are the answers
how to figure out cost of good available for sale, cost of sales, ending inventory
A bag contain 5 white , 7 red and 8 black balls. If four balls are drawn one by one without replacement, find the probability of getting all white balls.
Two functions of Accounting. Accounting Purchase only: In the guides of Records only a transaction which is relevant to some cash value can be registered. Posting: The Expl
Study A Study B Study C x 2 = 1.683 F = 7.357 r = .83 df = 4
What is a valuation account? In accounting, an assessment consideration is usually a stability sheet consideration that is used in combination with another stability sheet cons
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