2. The information in a lift graph can also be represented in a ____________

3 If a set of numeric variables were all independent of each other, the use of the principal components analysis technic for purpose of data reduction would be of _______________

a) no value whatsoever

limited value

substantial value

optimal value

3 The cut off value for classifying records when there are just two classes is usually set at0.50.why would a different cutoff value ever be assigned?