Old Faithful It is a common belief that Yellowstones most famous geyser erupts once an hour at very predictable intervals. The histogram below shows the time gaps (in minutes) between 222 successive eruptions. Describe this distribution.

Statistics the science of analyzing data o The objective of statistics is to make inferences about a population based on the information contained in a sample from that population and to provide an associated measure of goodness for 1.1: Sampling Population the entire collection of objects or outcomes about which information is sought Sample a subset of a population, containing the objects or outcomes that are actually observed o Simple random sample a sample chosen by a method in which each collection of n population items is equally likely to comprise the sample o Sample of convenience a sample that is not drawn by a well-defined random method o Sampling