a food company that produces peanut butter decides try out a new version of its peanut butter that is extra crunchy using twice the number of peanut chunThe company hosts a sampling of its new product at grocery stores 5 out of every 9 customers prefer the new extra crunchy version. M1L7Ex2

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