Select the correct answer from each drop-down menu. ? abc has vertices at a(11, 6), b(5, 6), and c(5, 17). ? xyz has vertices at x(-10, 5), y(-12, -2), and z(-4, 15). ? mno has vertices at m(-9, -4), n(-3, -4), and o(-3, -15). ? jkl has vertices at j(17, -2), k(12, -2), and l(12, 7). ? pqr has vertices at p(12, 3), q(12, -2), and r(3, -2). can be shown to be congruent by a sequence of reflections and translations. can be shown to be congruent by a single rotation.

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed