Exhibit 9-6.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 1000 people between the ages of 16 and 24 and found 6.5% of them are high school dropouts.The polling company would like to determine whether the dropout rate has decreased. Refer to Exhibit 9-6.The value of the test statistic is ____________.

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The Answer of Exhibit 9-6.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 1000 people between the ages of 16 and 24 and found 6.5% of them are high school dropouts.The polling company would like to determine whether the dropout rate has decreased. Refer to Exhibit 9-6.The value of the test statistic is ____________.