Chapter 1 Statistics Vocabulary

-type of question that expects a variety of answers

• statistical question

• scientific question

• rhetorical question

• hypothetical question

occurs when observations in a data set are NOT all the same

• variability

• statistically

• historically

• reliability

-describes how spread out the data is

• variability

• interval

• frequency

• mean

-sum divided by number of addends

• mean

• median

• mode

• range

most frequently occurring number in a data set

• mean

• median

• mode

• range

-center number of a data set

• mean

• median

• mode

• range

-difference between the largest and smallest value of a data set

• mean

• median

• mode

• range

-plot of numerical data along a number line

• stem and leaf plot

• dot plot

• histogram

• box plot

-graph that summarizes data into 5 measures

• stem and leaf plot

• dot plot

• histogram

• box plot

-graph used to convey information about center and variability

• stem and leaf plot

• dot plot

• histogram

• box plot