The Institute of Education Sciences Measures the High School Dropout

Multiple Choice

The Institute of Education Sciences measures the high school dropout rate as the percentage of 16- through 24-year-olds who are not enrolled in school and have not earned a high school credential.In 2009,the high school dropout rate was 8.1%.A polling company recently took a survey of 1,000 people between the ages of 16 and 24 and found that 6.5% of them are high school dropouts.The polling company would like to determine whether the dropout rate has decreased.The value of the test statistic is ____________.

A) z = -2.052
B) z = -1.854
C) z = 1.854
D) z = 2.052