Variables that have drastically different ranges can be ...

[oliviahorn72]

Variables that have drastically different ranges can be standardized for cluster analysis through use of a z-transform, which gives all of the variables equal ranges.
 
 Indicate whether the statement is true or false

Question 2

Interviews with respondents that take place in shopping malls are called _____.
 a. pretesting
  b. mall intercept interviews
  c. the drop-off method of surveys
  d. mixed-mode surveys

[cpetit11]

Answer to Question 1

T
The purpose of a z-transform is to convert all of the variables to scales with a mean of 0 and standard deviation of 1.

Answer to Question 2

B

[oliviahorn72]

YES! Correct, THANKS for helping me on my review

[ashely1112]

Thanks for the timely response, appreciate it