Page 35 - Quantitative Data Analysis
P. 35

Quantitative Data Analysis
                                              Simply Explained Using SPSS


               Example:

               Following are the test scores of 10 students.

                                                                    st
                                                                       nd
                                                                           rd
               18, 21, 22, 22, 22, 23, 23, 25, 26, 30. Calculate the Range, 1 , 2 , 3
               Quartiles, and inter-quartile range.

               Range

               = Maximum – minimum

               = 30 – 18 = 12



               Quartiles:


                       a.










                       b.








               The Theory and Applications of Statistical Inferences           19
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