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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 |