There is a small rectangle inside of a large rectangle The inner rectangle has side lengths of 3X and X +12 the outer rectangle has side links of 2X +7 and 9X -2 what is the area of both rectangle and the area of the larger rectangle with the inner piece out

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