WGU D204 Exam Questions and Answers 100% correct.

A data set has K variables, and the classifying method has the following steps: compare levels on nearby data, assign a new case to a category of nearby beta, locate the case in a k-dimensional space, in which order should the steps be applied a. Assign compare locate b. Compare assign locate c. Locate compare assign d. Locate assign compare - ANSWER-c. Locate compare assign In which phase of the data analytics life cycle does an analyst build a graph? a.Data exploration b.Discovery c.Predictive modeling d.Data acquisition - ANSWER-a.Data exploration An analyst applies a statistical formula to obtain the average temperature for a city over the last 20 years. Which phase of the data analytics life cycle is represented by this activity? a.Discovery b.Exploration c.Modeling d.Reporting - ANSWER-b.Exploration