Solve using SPSS or PSPP or any analytical tool.

A research study was conducted to compare two methods of teaching statistics in graduate school. One method, called the traditional method, presented the course without the use of statistical software. The other method, referred to as experimental method, taught the course and utilized statistical software extensively. The scores made on a common comprehensive final exam by the students in both classes are shown in the table below.

Traditional	82	85	82	73	82	73	79	71	86	90	98	86	77	81
Experimental	78	83	96	89	83	68	84	83	76	83	89	90	85	77

a) Which group obtained the higher mean score in the test?

b) Which of the two methods of teaching statistics is more effective? Explain (Usea=0.05)