identify the choice that best completes the statement or answers the question. 1) Parametric data reduction methods include _____. a. linear regression c. both a and b b. log-linear regression d. none...

identify the choice that best completes the statement or answers the question.

1) Parametric data reduction methods include _____.
a. linear regression c. both a and b
b. log-linear regression d. none of the above
2) __________ reduction may also be considered as forms of data compression.
a. Dimensionality and Numerosity c. Noise and Numerosity
b. Dimensionality and Noise d. None of the above
 3) Covariance: ____.
a. Measures how far each number in the set is from the mean.
b. Measures how changes in one variable are associated with changes in a second one.
 4)Redundant attributes may be able to be detected by _____.
a. binning c. correlation analysis
b. normalization d. both a and b
 5) ____ is/are collecting data from multiple sources.
a. Integration
b. Normalization