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Data Analysis
Vocabulary Words
Term | Definition |
---|---|
survey | a method of collecting a sample of data by asking people questions |
population | whole set of individuals, items or data from which a statistical sample is drawn (whole group) |
sample | to get data from part of a group and use it give information about the whole group (part of a group) |
tally | using marks to record counting (counting by fives to get the total |
score | numerical value (any kind of measurement or count) |
frequency | the number of times a particular item appears in a set of data |
graph | drawing or diagram used to record information |
table | mathematical information organized in columns and row |
bar graph | a commonly used graph for organizing and displaying data |
bars | used to show quantities or numbers so they can be easily compared |
pictograph | uses pictures that may represent one or more unities to represent quantities |
line graph | uses straight lines to join points which represent the data |
greater than | more than, shows relationship between numbers |
less than | not as many as, shows relationship between numbers |
equal to | having the same amount or value |
horizontal axis | a real or imaginary reference line that goes from side to side |
vertical axis | a real or imaginary reference line that goes up and down |