Page 11 - Lesson 1 Introduction to Statistics
P. 11

Types of Variables















                   2. SCALES OF MEASUREMENTS







                       It is also called levels of measurementst can






                       be measured numerically.













                                 C. Interval scale - are numbers that reflect differences








                                 among items.











                                 Examples:




                                 temperature possesses an interval scale data and for which a “ratio of two




                                 values has a meaning
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