Question 1.7

1.7 Employee application data.

The personnel department keeps records on all employees in a company. Here is the information kept in one of the data files: employee identification number, last name, first name, middle initial, department, number of years with the company, salary, education (coded as high school, some college, or college degree), and age.

  1. What are the cases for this data set?
  2. Identify each item in the data file as a label, a quantitative variable, or a categorical variable.
  3. Set up a spreadsheet that could be used to record the data. Give appropriate column headings, and include three sample cases.

1.7

(a) The cases are employees. (b) Employee identification number—label, last name—label, first name—label, middle initial—label, department—categorical, number of years—quantitative, salary—quantitative, education—categorical, age—quantitative. (c) Sample data would vary.