Page 149 - Quantitative Data Analysis
P. 149

Quantitative Data Analysis
                                              Simply Explained Using SPSS


               1.      Means, sum of squares and cross products, standard
                       deviations, and the correlation between X and Y.

                       Means:

                                   ∑
                              ̅



                                   ∑
                              ̅


                       Sum of Square:


                       ∑                    (Sum of square of deviation score X)

                       ∑                    (Sum of square of deviation score Y)
                       Cross products:

                       ∑



                       Standard deviations:


                              ∑
                           √           √



                              ∑
                           √           √


                       Correlation between x and y:



               The Theory and Applications of Statistical Inferences           133
   144   145   146   147   148   149   150   151   152   153   154