Classify each border pattern by its symmetry type. Use the standard crystallographic notation (mm, mg, m1, 1m, 1g, 12, or 11). (a) . . . A A A A A . . . . . . D D D D D . . . . . . Z Z Z Z Z . . . . . . L L L L L

GRAPHS FOR CHAPTER 3 01/19/2016 Frequency Polygon o Uses lines that connect points for the frequency of the midpoints of classes Ogive o Represents cumulative frequency for the classes in a frequency distribution (upper boundaries are on horizontal axis) Relative Frequency Graphs o Used when the proportion of data values is more important than actual numbers Bar Graphs o Vertical and horizontal bars that represent data Dot Plot o Each value is a dot SHAPES Bell Shaped o Apx. Symmetric Uniform o Flat and rectangular J Shaped o Few values on left and it rises