Julio has two financial analysts provide profit functions for his company. Analyst A provides the function given in the graph, where x is the month after December 2013, while Analyst B offers the function f(x)=−56x2+800x+30000. How much faster is the average profit change projected by Analyst B, between December 2013 and May 2014, compared to Analyst A? A.$40 per month

B.$120 per month

C.$500 per month

D.$20 per month

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