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Math unit 9 vocab
Unit 9 Vocab
Question | Answer |
---|---|
statistics | the branch of mathematics that deals with collecting, organizing, and understanding data |
data | pieces of information, which are often numerical |
line plot | a diagram that shows the frequency of data |
cluster | data that is grouped closely together |
outlier | a piece of data that is separated from the rest of the data |
range | the difference between the greatest and least numbers in a data set |
gap | a space with no data |
central tendency | numbers that describe the middle or center of a set of data |
mean | the average |
median | the middle number when ordered from least to greatest |
mode | the number repeated most often |
stem-and-leaf plot | a system used to condense a set of data where the greatest place value of the data forms the stems and the next greatest place value forms the leaves |
bar graph | a graphic form using bars to make comparisons of statistics |
Venn diagram | an arrangement of overlapping circles used to show how two or more sets of data are related |
line graph | a type of statistical graph using lines to show how values change over a period of time |
circle graph | a type of statistical graph used to compare parts of a whole |
stem | anything to the left of the very last number (everything to the left of the ones place) |
leaf | the last number (the ones place) |
key | an explanation of the stem and leaf |
inference | to derive by reasoning; conclude or judge from premises or evidence |
histogram | a bar graph that shows the frequency of data within equal intervals |