Apply Your Knowledge 1. True or false? Only for variables of measurement level scale in PASW Statistics is it meaningful to calculate standardized scores? 2. Consider the data below, where we computed standardized values for the variables educ (highest year of education) and salary (salary in dollars). Which of the following statements are correct? a. The observation with employee_id=49 has a salary very close to the mean salary. b . The observation with employee_id=50 has a salary that is more than one standard deviation above the mean. C. The observation with employee_id=46 is more extreme in her education than in salary. 2-11 INTRODUCTION TO STATISTICAL ANALYSIS WITH IBM SPSS STATISTICS "Employee data for theory_1.sav [DataSet4] - PASW Statistics Chata Editor visible: 16 ed 18 Wibristles employee_id salary educ Zsalary Zeduc 46 46 22350 15 -.67990 52139 47 47 30000 12 ..26139 ..51772 48 48 30750 12 .22036 .51772 49 49 34800 15 00121 .52139 50 50 60000 16 1.37985 86776 51 51 35550 12 .04224 .51772 52 52 (MISSING) 15 .52139 53 53 73750 18 2. 13208 1.56050 54 54 25050 12 .53219 .51772 55 55 27000 12 42551 - 51775