V O C A B U L A R Y Unit 6: Statistics Term What does it mean? What does it look like? The number of times a value appears Frequency in a set of data. Lists the number of times that a piece of data occurs in a set. For sets of data Frequency Table with a large spread the frequency is often grouped into equal intervals. A display of data that is along a number line with points, or symbols, indicating Dot Plot (Line Plot) the frequency of information about a single question or category. A type of bar graph used to display numerical data grouped in equal Histogram intervals. It shows the number of data items that occur within each interval. Organizes numerical data by place Stem-and-Leaf Plot value. A diagram that summarizes data using the median, the upper and lower Box-and-Whisker Plot (box plot) quartiles, and the extreme values (Five Number Summary.) The difference between the upper Interquartile Range and lower quartiles. It indicates the (IQR) spread of the middle 50% of the data. A number that indicates the variability of the data. Ex. Range, IQR, Measures of Spread MAD.
V O C A B U L A R Y Unit 6: Statistics Term What does it mean? What does it look like? Frequency The number of times a value appears in a set of data. Frequency Table Lists the number of times that a piece of data occurs in a set. For sets of data with a large spread the frequency is often grouped into equal intervals. Dot Plot (Line Plot) A display of data that is along a number line with points, or symbols, indicating the frequency of information about a single question or category. Histogram A type of bar graph used to display numerical data grouped in equal intervals. It shows the number of data items that occur within each interval. Stem-and-Leaf Plot Organizes numerical data by place value. Box-and-Whisker Plot (box plot) A diagram that summarizes data using the median, the upper and lower quartiles, and the extreme values (Five Number Summary.) Interquartile Range (IQR) The difference between the upper and lower quartiles. It indicates the spread of the middle 50% of the data. Measures of Spread A number that indicates the variability of the data. Ex. Range, IQR, MAD.
Unit-6-Vocabulary-1-p5ljvk.docx