Which of the Following Statements Is False Concerning NAEP Math

Which of the following statements is false concerning NAEP math scores in the United States?

A) More than 50% of 4^th grade U.S. students are scoring at or above the "Basic" level.
B) More than 50% of 8^th grade U.S. students are scoring at or above the "Basic" level.
C) More than 50% of 12^th grade U.S. students are scoring at or above the "Basic" level.
D) More than 50% of 4^th grade U.S. students are scoring at or above the "Proficient" level.
E) More than 40% of 8^th grade U.S. students are scoring at or above the "Proficient" level.
F) More than 30% of 12^th grade U.S. students are scoring at or above the "Proficient" level.
G) More than 50% of 4^th, 8^th, and 12th grade U.S. students are scoring at or above the "Basic" level.
H) More than 50% of 4^th, 40% of 8^th, and 30% of 12^th grade U.S. students are scoring at or above the "Proficient" level.