Book 2, Block 4 Vocab.

2 probabilities whose sum is 1 and make up all the possible outcomes without repeating any

a statistic that shows the average distance from the mean for all numbers in a data set

the number(s) or item(s) that occurs most often in a data set

a group from a population that does not accurately represent the entire population

the ratio of favorable outcomes to the number of possible outcomes

a group from a population that is used to make conclusions about the entire population

one possible result from an experiment or a probability sample space

a single act of performing an experiment

a circle graph that shows information as sectors of a circle

a group from a population created when each member is equally likely to be chosen

the sum of all values in the data set divided by the number of values

an experiment used to model a situation

the middle number or the average of the two middle numbers in an ordered data set

the ratio of the number of times an event occurs to the total number of trials

a desired outcome or group of outcomes

the difference between the maximum and the minimum values in a data set

a group from a population that accurately represents the entire population

the measure of how likely it is that an event will occur

the probability of two or more events occuring

statistics that help determine the spread of numbers in a data set

2 (or more) events such that the outcome of 1 event affects the outcome of the other event(s)

the number of times an item occurs in a data set

the difference between the 3rd quartile and the first quartile in a set of data

the entire group of people or objects one wants to gather information about

a display that organizes information to determine possible outcomes

a logical conclusion based on known information

a bar graph that displays the frequency of numerical data in equal-sized intervals

2 (or more) events such that the outcome of 1 event does not affect the outcome of the other