Two professors wanted to study how students from their two universities compared in their capabilities of using excel spreadsheets in information system course

A comparison of the student demographics was also performed. One college was in West other was in East.

The following table contains information regarding the ages of the students:

College

Sample size

Mean age

Standard deviation

West

93

23.28

6.29

East

135

21.16

1.32

a) Using a 0.01 level of significance, is there evidence of a difference between the variances in age of students at the West and East College?

b)

based on the conclusion of part (a) use appropriate test to determine, whether there is evidence of difference in mean age of students, at =0.01