An academic tutor wants to assess whether her remedial tutoring has been effective for her five students. Using a pre-post design, she records the following grades for a group of students prior to and...

An academic tutor wants to assess whether her remedial tutoring has been effective for her five students. Using a pre-post design, she records the following grades for a group of students prior to and after receiving her tutoring. Using an alpha of .05 and a two-tailed test complete all 4 steps of hypothesis testing to see if the remedial tutoring was effective.

Before  2.4                  After 3.0

             2.5                           2.8

             3.0                           3.5

             2.9                           3.1

              2.7                          3.5

       M=  2.7                        M=3.8