Page 12 - Lesson 1 Introduction to Statistics
P. 12

Types of Variables















                   2. SCALES OF MEASUREMENTS







                       It is also called levels of measurementst can






                       be measured numerically.













                                 D. Ratio scale - applies to data that can be ranked and for








                                 which all arithmetic operation can be done.











                                 Examples:




                                 addition, subtraction, multiplication, and division
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