Ms. irwin teaches four periods of weight training. she required each student in thr class to record the maximum amount of weight
lifted for the squat. based upon the data listed below, which period had the greatest mean score? period 1 : 100, 100, 125, 125, 130, 130 period 2 : 90, 125, 125, 130, 135, 135 period 3 : 90, 90, 100, 125, 125, 125 period 4: 90, 90 , 90, 100, 100, 125
