Match the scenario with the correct Null hypothesis (Ho) and Alternate Hypothesis (H1) formula. - Scenario A: A school counselor wants to determine if the average anxiety score of students at her school (measured on a standardized scale) differs from the national average of 50. She collects data from 30 randomly selected students. - Scenario B: A researcher wants to compare the effectiveness of two different study methods on exam performance. She randomly assigns 40 students to use Method 1 and 35 students to use Method 2, then compares their exam scores. - Scenario C: A physical therapist wants to test whether a new exercise program improves patients' flexibility. She measures flexibility scores for 25 patients before starting the program and again after completing the 8-week program. - Scenario D: A nutritionist wants to compare the effectiveness of four different diet plans on weight loss. She randomly assigns participants to one of the four diet groups and measures weight loss after 12 weeks. A. H: D = 0 H: D 0 B. H: = H: C. H: = = = H: At least one differs from the others D