Math: Vocabulary Flashcards
Basics for learning graphs and terms
Name and describe descriptors on a graph
Title–name of the graph
Legend – description in a side box that explains parts of the graph
Labels – names describing X and Y axis
X axis – horizontal values for data
Y axis – vertical values for data
A Table is a chart that contains _____
Rows and Columns
Describe a Pictograph.
A pictograph uses images to represent a certain number of items
What is special about a line graph?
It plots data points as dots and connects them with lines. This helps you notice trends.
What does a bar graph look like?
Data is displayed in the form of vertical or horizontal bars along the X and Y axis
What is another name for a circle graph?
Pie Chart
How does a Pie Chart work?
The circle is divided into sections showing the % used by each segment compared to the whole.
What is the Central Tendency?
The typical value found in the data.
What is the Mean?
It’s the Average.
What is the Median?
The value in the exact middle of the data set.
What is the Mode?
The value used the most.
What is a histogram?
It’s a special bar graph that show frequency on the Y axis.
What does Interquartile range mean?
It’s the 50% of the data that falls in the middle of the data set. It excludes the first quarter of data and the last quarter of data.
What is a Scatter Plot?
A graph of ordered pairs showing a relationship between two sets of data.
What is this?
A Scatter plot
Bivariate Data means
You get two sets of data and compare them to find a relationship.
What kind of data is displayed here?
Bivariate Data
What is a ordered pair?
Two numbers that intersect on a coordinate plane.
What number in a ordered pair do you plot first?
The first number is always on the X axis.
Explain the three kinds of correlation a graph can show.
Positive correlation–the graph goes up
Negative correlation–the graph goes down
No Correlation–the graph is all over the place
What is the Independent variable?
That’s the one that can be controlled. (Usually on the X axis.)
What is the dependent variable?
That variable depends on the other one. When the other variable changes if affect the dependent variable. (Usually on the Y axis.)
What does the purple on this graph show?
The interquartile range
Bivariate Data
Two sets of variables that cn change and are compared to find relationships
Two sets of variables that cn change and are compared to find relationships
Bivariate Data
Scatterplot
a graph of ordered pairs showing a relationship between two sets of data
A graph of ordered pairs showing a relationship between two sets of data
Scatterplot
Scatterplot: What kind of variable goes on the X axis and what kind of variable goes on the y-axis
Independent on the X-axis and Dependent of th Y-axis
Dependent Variable
A condition or piece of data in an experiment that is controlled or influenced by an outside factor, most ofter the independent variable.
Independent Variable
A condition or piece of data in an experiment that can be controlled
