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An approach to investigations designed to recognize a particular medical condition in the large population, usually by means of a blood test, which might result in the considerable saving in the number of tests carried out. In its place of testing each person separately, blood samples from, k people are pooled and analysed jointly. If the test is negative, this test clears k people. If the test is positive in nature then each of the k individual blood samples should be tested separately, and in all k 1 tests are needed for these k people. If the probability of the positive test (p) is less, the scheme is likely to give the outcome in far fewer tests being essential. For instance, if p 0:01, it can be shown that the value of k minimizes the expected number of tests per person is 11, and that expected number of the tests is 0.2, resulting in 80%saving in the number of tests compared with the testing each and every individual separately.
This is the theorem which states that if the error terms in a multiple regression have the same variance and are not corrected, then the estimators of the parameters in the model p
The method or technique for displaying the relationships between categorical variables in a type of the scatter plot diagram. For two this type of variables displayed in the form o
Likert scales is often used in the studies of attitudes in which the raw scores are based on the graded alternative responses to each of a series of queries. For instance, the sub
Multilevel models are the regression models for the multilevel or clustered data where units i are nested in the clusters j, for example a cross-sectional study where students are
The Null Hypothesis - H0: β 1 = 0 i.e. there is homoscedasticity errors and no heteroscedasticity exists The Alternative Hypothesis - H1: β 1 ≠ 0 i.e. there is no homoscedasti
The term used in a variety of methods in statistics, but mostly to refer to the categorical variable, with a less number of levels, under examination in an experiment as a possible
show all the ways in which 3 games of football can be concluded(it can be a win W,a loss L,or a draw X)
This is the powerful visualization tool for studying how the response relies on an explanatory variable given the values of other explanatory variables. The plot comprises of a num
Non-identified response is a term used to signify censored observations in survival data, which are not independent of the endpoint of the interest. Such observations can happen f
Minimum volume ellipsoid is a term for ellipsoid of the minimum volume which covers some specified proportion of the set of multivariate data. It is commonly used to construct rob
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