Page 173 - Quantitative Data Analysis
P. 173

Quantitative Data Analysis
                                              Simply Explained Using SPSS


               1.      Means, standard deviations, sums of squares and cross
                       products, and three r’s.

                       Means:

                         ∑
                   ̅



                         ∑
                   ̅



                    ∑
                ̅


                       Standard deviations:

                                     ∑
                                   √           √



                                     ∑
                                   √           √



                                     ∑
                                  √           √


                       Sum of Square:




                       ∑                           ∑                   ∑



                       Cross Products:


               The Theory and Applications of Statistical Inferences           157
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