Veronica needs to hire carpenters and masons to renovate her house. she needs 9 laborers to finish the work, and has saved $2150 to pay for the laborers. carpenters charge $250 and masons charge $225 for a day's work. how many carpenters and masons can she hire?

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