Applied Probability and Statistics - C955 - Module 4: Descriptive Statistics for a Single Variable with Complete Solutions

bimodal - ANSWER-A description of a data set with two modes. measures of spread - ANSWER-A number of measures used to determine the distance of data from the center of the data set, such as range and standard deviation. pie chart - ANSWER-A graphical display that shows data in categories as percentages of a circle. unimodal - ANSWER-A set of data having one mode. check sheet - ANSWER-A structured form or table that allows data to be collected by marking how often an event has occurred in a certain interval. center - ANSWER-One of three measures that describe what is "normal" in a data set: mean, median, or mode. valid data - ANSWER-Data that results from a test that accurately measures what it was intended to measure. quantitative data - ANSWER-Data values that are numbers, representing quantities that can be counted or measured. normal distribution - ANSWER-A common type of distribution of data points that forms a bell shaped, symmetrical curve around the mean. statistics - ANSWER-The science that deals with the interpretation of numerical facts or data through theories of probability. Also, the numerical facts or data themselves. qualitative data - ANSWER-Non-numeric information based on some quality or characteristic. five-number summary - ANSWER-The minimum, first quartile, median, third quartile, and maximum. A box plot represents the five numbers in a five-number summary. outlier - A