The Department of Education Would Like to Test the Hypothesis

Multiple Choice

The Department of Education would like to test the hypothesis that the average debt load of graduating students with a Bachelor's degree is equal to $17,000. A random sample of 34 students had an average debt load of $18,200. It is believed that the population standard deviation for student debt load is $4,200. The Department of Education would like to set α = 0.05. The test statistic for this hypothesis test would be ______.

A) t x = 1.89
B) z x = 2.23
C) z x = 1.67
D) t x = - 2.06