A company advertises that by using its program, high school students can increase their verbal SAT scores by more than 50 points. A curious high school teacher plans to examine data from a sample of students who use the program to test if the claim is true. If μ represents the mean increase in the verbal SAT score if all high school students used the method, the alternative hypothesis the teacher wishes to test is what? a. Ha: μ < 50 b. Ha: μ = 50 c. Ha: μ > 50 d. Ha: μ ≠ 50