unit d Flashcards
charts
(graphs) present information in a pictorial format, making it easier to see patterns, trends, and relationships.
guidelines for planning a chart
*determine purpose
*determine results you want to see
*identify worksheet data you want to illustrate
*understand elements of a chart
pie chart
compares parts to the whole
line chart
shows trends over time
column
compares distinct object levels using a vertical format
bar
compares distinct object levels using a horizontal format
area
shows how individual volume changes over time in relation to total volume
scatter
compares trends over uneven time or measurement intervals
x-axis
horizontal axis
Y axis
vertical axis
category axis
(horizontal axis) contains names of data groups such as locations, months or years
value axis
(vertical) contains numerical values that help interpret size of chart elements
z-axis
contained in 3-D charts for comparing data across both categories and values
plot area
are inside the horizontal and vertical axis
tick marks
left edge of the vertical axis