______________ involves descriptive statistics, data ...

[daltonest1984]

______________ involves descriptive statistics, data visualization, and clustering.
 a. Data exploration
  b. Data partitioning
  c. Data preparation
  d. Model assessment

Question 2

The process of eliminating variables from formal analysis without losing any crucial information is called
 a. dimension reduction. b. data sampling.
  c. data reduction. d. aggregation.

[millet]

Answer to Question 1

a
RATIONALE: Data exploration involves descriptive statistics, data visualization, and clustering.

Answer to Question 2

a
RATIONALE: The process of Removing variables from the analysis without losing any crucial information is called dimension analysis.

[daltonest1984]

Thanks for the timely response, appreciate it

[xiaomengxian]

YES! Correct, THANKS for helping me on my review