An Old Myth Claims That Boys Are Better at Math

Multiple Choice

An old myth claims that boys are better at math than girls. A high school guidance counselor collects the math grades from a random sample of 50 boys and another random sample of 50 girls. The guidance counselor then tested the hypothesis H₀: µ₁ - µ₂ = 0 against the one-tail alternative and found P = 0.35.Which is true?

A) The boys' grades are 35% higher than the girls' grades.
B) There's a 35% chance another study will give these same results.
C) There's a 35% chance that boys have higher math grades than girls.
D) None of these.
E) There's a 35% chance that there''s really no difference in math grades.