Use Histograms to describe data
What do dot plots show?
A data display that shows data as dots above a number line.
What is a positive number?
A positive number is a number that is greater than 0.
What is an expression?
A group of numbers, variables, and/or a operation
What is a dependent variable?
A variable whose value depends on the value of a related independent variable.
What is a coordinate plane?
A two-dimensional flat surface defined by a horizontal number line etc.
What's a histogram??
A histogram is a data display similar to a bar graph. A histogram groups the data into equal size intervals.
What is a negative number?
A negative number is a number less than 0.
What's an equation?
A mathematical statement that uses an equal sign.
What is a indepedent variable?
A variable whose value is used to find the values of another variable.
What is the Cartesian plane named after?
It is named after Rene Descartes.
How do you use dots and histogram to describe data disturtion?
By displaying shapes, center, and spread
What are whole numbers and opposites called?
they're called integars
What is the purpose of expressions and equations?
What is one way to analyze the relationship between two variables?
it is through correlation analysis.
A point located on (4,-7) what quadrant is it in?
When should you use dot plots?
When you need to see every data points in a small set.
(-8)-9=?
17
What is the structure of a equation?
It's formed by setting two expressions equal to each other.
What is a scatter plot?
This is the foundational visual tool, where one variable is plooted on the x-axis and the other y-axis.
quadrant III
When you have a large dataset where individual values are less important than the general shape and frequency.
20/-x + 4 ?
14
6x+6+2= ?
20
What is a linearity?
Whether the data points cluster around a straight line.
Which axis does the point (0,9) lie on?
The y-axis.