The measurement that appears most often in a data set.
mode
100
What type of graph is used to show changes and patterns over a period of time?
line graph
200
The information in an experiment you have gathered
data
200
In an experiment, the _____ variable receives no treatment or a neutral treatment; kept the same.
controlled
200
What is the amount of test subjects called?
sample size
200
What is used to organize data to make it easier to understand?
table
200
What type of diagram can be used to show what data or information have in common?
Venn Diagram
300
A scientific procedure used to make a discovery, test a hypothesis, or demonstrate a known fact.
experiment
300
A scientist will make a ____ about the results of the experiment before it is complete.
prediction
300
In a scientific experiment, the ___ variable in controlled or changed.
independent variable
300
What type of graph is used to show percentages of a whole?
circle graph
300
What shows how far the numbers in a data set are spread out?
range
400
A testable statement by a scientist before an experiment
hypothesis
400
What is data that can be observed, or measured, to study results?
empirical evidence
400
A scientist must ____ the data to figure out what it means.
interpret
400
What type of graph is used to compare different groups of a data?
Bar graph
400
Another term for average
mean
500
A system of ideas intended to explain something; a guess that may or may not be true
theory
500
A variable that may or may not be affected by your control or change of the independent variable.
dependent
500
The middle number or average of the middle two numbers in a data set.
median
500
The International System of Units (SI) is also called the ___ ___ .
Metric System
500
To calculate mean, you first add all numbers, then ____ by the total number of data.
Example: 5+5+5, then _____ by 3 because there are three numbers in the data set.