Can’t I just use a pie chart for everything?

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Presentation transcript:

Can’t I just use a pie chart for everything? Types of Graphs Can’t I just use a pie chart for everything?

Which graph fits your data?

Graphs A graph is a visual display of data or information. In a graph the horizontal axis is called the x-axis. In a graph the vertical axis is called the y-axis. In a graph the independent variable is plotted on the x-axis and the dependent variable on the y-axis. There are several types of graph that can be used to display data. Your data determines the kind of graph you need to use.

Scatter Plots - Find a Trend A graph in which the values of two variables are plotted along two axes, the pattern of the resulting points revealing any correlation/trend present. Collection of points that have one value determining position on x-axis and a second value determining position on y-axis (plotting a point).

Plotted Points that show a relationship between variables. Scatter Plots Plotted Points that show a relationship between variables.

Line Graph – What happens over time. Uses points and line(s) to show how the data changes over a certain period of time, continuous change. Line graphs are useful for showing trends. EXAMPLES - Population changes in Fleming Island/Green Cove Springs over last few years - Cost of smart phones since they came out - Your height since you were a baby

Circle Graph Compare parts of a whole. A circle graph is a circular chart divided into sections that each represent a percentage of the total.

Bar Graphs – Compare Categories It is a graph where the IV is represented by categories and the DV is a number. Examples: Amount of sugar in foods Amount of students in clubs

Double Bar Graph Compare the size of two situations/variables. You can compare and present more than one type of information using a double bar graph.