An MBA program requires average GMAT score of more than 670 to be admitted. The XYZ., Inc. wants to know if the average GMAT score for the students who have taken their prep course meets the above standards. They have collected random samples of six GMAT scores of their students. The following scores were obtained:
500, 600, 700, 750, 700, 650.
a. Do you think the students who take the XYZ Prep Course meet the MBA requirement ? Use α = 0.025.
b. Find the p value of part a