Sin tráfico, el viaje por carretera de Bogotá a Villavicencio toma 2 horas conduciendo con una rapidez media de 60 km/h. Cierta tarde de sábado, el tráfico obliga a conducir con una rapidez media de 40 km/h. En este caso, el viaje de Bogotá a Villavicencio toma:

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