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# Tools of Scientists

TermDefinition
quantitative data data that can be measured such as length , width and height and is shown as a NUMBER
qualitative data descriptive data that cannot be measured such as colors, smells, tastes and is usually an ADJECTIVE
data information that is gathered during an investigation and may be recorded in tables, charts, graphs, or drawings
data analysis organizing results into tables and graphs to look for patterns
bar graphs uses bars to show the relationship among variables
circle graphs used to show how a complete set of data is divided into parts. All the data must add up to 100%
line graphs show the relationship between two variables. They have a line connecting data points.
description a summary of observations such as smells, colors that may be spoken or written
explanation an interpretation of observations that explain how or why something occurred
precision how close repeated measurements are to each other
consistency (accuracy) the ability to repeat a task with little variation ON TARGET
graphs used to organize and summarize data in a visual way
tables display information in rows and columns
statistics the study of data: how to collect, summarize and represent it.
mean the sum of the numbers in a data set divided by the number of entries in the data set
median the middle number in a set of data when the data are arranged in numerical order
mode the number that appears the most in a set of numbers
range the difference between the highest and lowest values
Created by: jcrockett

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