We wonder whether a new version of our textbook is beneficial or detrimental to students learning statistics. On a national statistics exam, students usually score 70.25 on the exam using other textbooks. A sample of students using this textbook has the following scores: 64, 69, 92, 77, 71, 99, 82, 74, 69, 88. determine whether or not this textbook produces different learning than the average textbook. = 0.05. were these textbook's exam scores significantly different than other textbooks