Eyeglassmatic manufactures eyeglasses for their retailers. They test to see how many defective lenses they made the time period of January 1 to March 31. Table #3.2.11 gives the defect and the number of defects. Find the mean, median, and mode. Table #3.2.11: Number of Defective Lenses Defect type Number of defects Scratch 5865 Right shaped - small 4613 Flaked 1992 Wrong axis 1838 Chamfer wrong 1596 Crazing, cracks 1546 Wrong shape 1485 Wrong PD 1398 Spots and bubbles 1371 Wrong height 1130 Right shape - big 1105 Lost in lab 976 Spots/bubble - intern 976 a.) Find the mean and median. b.) Find the range. c.) Find the variance and standard deviation. H