Tess is tasked with analyzing a data set with multiple variables with various scales. To reduce the difference in scale in variables, she is following a common process called ______ to make the observations unit-free.
A) data mining
B) Euclidean distance
C) Manhattan distance
D) standardizing

Question

Quizplus · Accepted Answer

Standardizing is a common process used in data analysis to make observations unit-free by rescaling the data to have a mean of 0 and a standard deviation of 1, thus reducing the differences in scale among variables.

Tess Is Tasked with Analyzing a Data Set with Multiple