Multiple Choice
Which treatment of unsatisfactory responses is desirable if (1) the unsatisfactory respondents do not differ from satisfactory respondents in obvious ways responses on key variables are missing?
A) classifying and counting questionnaires accordingly
B) assigning missing values
C) discarding unsatisfactory responses
D) returning to the field to get better data
Correct Answer:
Verified
Correct Answer:
Verified
Q3: In Excel, the statement can be used
Q7: Data cleaning includes consistency checks and treatment
Q9: To standardize a scale X<sub>i</sub>, we first
Q52: Respondents have been asked to express their
Q54: Dummy variables are used to respecify categorical
Q59: The selection of data transcription method is
Q72: When doing international research,differences in means,differences in
Q87: The use of dummy variables refers to
Q113: When utilizing univariate techniques,for nonmetric data,when there
Q124: Give a brief overview of the data-preparation