A study randomly assigned students to take notes either longhand or using a laptop. The resulting scores of the students on a test of the material are given in Table 6.20. Does the data provide evidence that it is more effective to take notes longhand rather than on a laptop? Show all details of the test.

Table 6.20 Summary statistics for test scores after taking notes longhand or on a laptop Note-taking Longhand Laptop n 38 40 18 X 25.6 18.3 S 10.8 9.0