A college admissions officer for the school's online undergraduate program wants to estimate the mean age of its graduating students.The administrator took a random sample of 40 from which the mean was 24 years and the standard deviation was 1.7 years.

Do you believe that the true mean age of online undergraduate students is higher than 23 years? Be sure to set up the two competing hypotheses and provide a statistical conclusion statement at a 5% level of significance for your results.