SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 45) Nine students took the SAT. Their scores are listed below. Later on, they read a book on 45) test preparation and retook the SAT. Their new scores are listed below. Test the claim that the book had no effect on their scores. Use a = 0.05. Assume that the distribution is normally distributed. Student 1 2 3 4 5 6 Y 8 9 Scomsbebrezeadingbookm 860 sec 8E3 860 710 83) 1200 950 Scoresaft-rteadingbook 740 360 840 920 850 720 840 1240970