An industrial psychologist gives a social affiliation test to 10 new employees of Abbey Do Company to determine how much they enjoy working with others. The social affiliation scores for the population of all workers has a mean of 25.00 with a standard deviation of 5. Determine if the new employees differ from the company population in terms of social affiliation.

Social Affiliation Scores
20 25 30 25 35 30 20 15 25 30