Page 33 - ASBIRES-2017_Preceedings
P. 33

Rahubaddha & Panahatipola



                          Table 1: Advanced analysis table                    As in table 1,  value of the model
                                                                                              2
                      p-values                                         is 0.64; about 64% of total variation in the
                                  Coefficient  P-Value  VIF            GPA value of the students can be explained
                                                                       by the model.
                      (Constant)    2.747    0
                      Involve in                                              We  can  build  final  regression
                      Sport       0.023      0.004    1.039            model for the GPA value of the third-year
                      Participatio                                     students  in  faculty  of  applied  sciences.
                      n of
                      informal                                         Fitted Model Was,
                      revision    -0.014     0.039    1.132
                      class                                            GPA  Value  =  2.747  +  0.023(Good
                      conducted                                        Foundation      in    first   Year)     -
                      by Students                                      0.014(Participation  to  Informal  Revision
                      Have Good                                        Classes  Conducted  by  Students)  +
                      Foundation   0.07      0.002    1.103
                      in 1st Year                                      0.023(Involve  in  Sport)  -  0.098(Total
                      Total       -0.098     0        1.128            Number of repeats)
                      repeats
                                                                                    6 CONCLUSION
                      Model Summary
                                                  R
                      Model            R                                    When     considering     3rd    year
                                                  Square               undergraduates  there  were  four  factors
                                       0.8        0.64                 which  related  to  the  GPA  value.

                      ANOVA Table                                      Foundation  got  in  the  first  year,
                                                                       participation  for  the  informal  revision
                                  Sum of                               classes  conducted  by  students;  total
                                           df      Sig.
                                  Squares                              repeats  and  involvement  in  sport  were
                                                                       identified  factors  which  were  related
                                                                       directly  to  the  GPA  value  of  third  year
                                                       b
                      Regression   18.799   4      .000
                                                                       undergraduates  in  faculty  of  applied
                      Residual    10.562   134
                                                                       sciences.  Therefore,  we  can  come  to  the
                      Total       29.361   138                         conclusion that these factors are the most

                                                                       important    factors   that   should   be
                            As in Table 1, Enter regression is         considered out of all other factors which
                     used  to  identify  a  suitable  model  for       affect  the  GPA  value  of  the  3   year
                                                                                                         rd
                     predicting  GPA  value  using  the  factors       students. From those four factors number
                     which we identified as having impact on           of repeaters has high impact for the GPA
                     GPA.  According  to  the  P-values,  Good         value.
                     Foundation in first Year, Participation in
                     the  informal  revision  classes  conducted            Factors  like  using  the  library
                     by  students,  Involve  in  Sports  and  Total    facilities, number of times sat for the A/L
                     Number  of  repeats  have  become  as             examination,  no  sisters  and  brothers  and
                     statistically significant at 5% significance      place  of  stay  have  no  significant  impact
                     level.                                            on the GPA according to the preliminary
                                                                       analysis  of  third  year  undergraduates  in
                            Since  the  P-value  of  the  final        the Faculty of Applied Sciences.
                     model  is  less  than  0.05,  that  model  is
                     useful in predicting the response variable.            The  preliminary  analysis  implies  us
                     Considering table 1, VIF values all values        the  conclusion  that  the  Gender  of  the
                     are   less   than   5   suggesting   that         student has a relation to the GPA directly
                     multicollinearity  does  not  exist  in  this     however in the regression model Gender
                     model.                                            is not included it as a significant factor to
                                                                       predict GPA. Similar thing happens in the




                                                                     23
   28   29   30   31   32   33   34   35   36   37   38