Types of Data
This type of data is numerical and can be measured.
Quantitative Data
This is the entire group you want information about.
Population
This type of graph shows data using bars.
Bar Graph
Before you can begin to collect data, first you must do this. (1st step in data cycle)
Formulate Questions
In a scatter plot, if the y-values increase as x-values increase, the trend is this.
positive correlation
This type of data represents characteristics or categories. (qualities of the data)
Qualitative Data
A smaller group selected from a population is called this.
Sample
This graph is used to show parts of a whole.
Pie Chart
Circle Graph
When you conduct a survey, observation, experiment, etc, you are working in this step of the data cycle
Collect or Acquire Data
This is the line that best represents the data in a scatter plot.
Line of Best Fit
Bivariate Data
A sample where every member has an equal chance of being chosen.
Random Sample
This type of plot shows median, quartiles, and outliers.
Box Plot
Box and Whisker Plot
The final step in the data cycle
Analyze and communicate results
When the value of the dependent variable decreases as the value of the independent variable increases.
Negative Correlation
Name two of the four ways we discussed to collect data
Observation, Experiment, Measurement, Survey
A graph used to show how one variable affects another.
Scatter Plot
organize and represent data
The relationship between your shoe size and the number of TV's in your house.
No relationship
The two "qualities" a good investigative question should contain.
bivariate and quantitative
This type of graph uses dots to represent individual data points.
Dot Plot
The data display we have focused on in Algebra I this year
Scatter Plot
Predictions