data analysis : graphs Flashcards
what is the form of summary table used for ?
a way of representing data
what is the summary table not merely but instead ?
raw scores but have been converted to descriptive statistics
what is standard practice to include beneath the table ?
a summary paragraph explaining the results
define bar charts
a type of graph in which the frequency of
each variable is represented by the height of the bars
what can data be represented ?
visually using a suitable graphical display so the difference in mean values can be easily seen
when are bar charts used ?
when data is divided into categories
–> known as discrete data
what occupy the horizontal x-axis ?
the categories of thetwo conditions
what is plotted in the y-axis ?
the frequency or amount of each category
what are bars on a bar chart ?
separated on a bar chart to denote that we are dealing with separate
conditions
