A University Is Interested in Promoting Graduates of Its Honors

Multiple Choice

A university is interested in promoting graduates of its honors program by establishing that the mean GPA of these graduates exceeds 3.50. A sample of 36 honors students is taken and is found to have a mean GPA equal to 3.60. The population standard deviation is assumed to equal 0.40. The value of the test statistic is ________.

A) z = -1.50
B) t₃₅ = -1.50
C) z = 1.50
D) t₃₅ = 1.50