5.2.4 Journal: Probability of Independent and Dependent Events

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

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