Tables And Graphs Flashcards
What type of data is a bar graph used for
Data in discrete categories
What does each bar on a bar graph represent
Total or mean percentage scored for each group rather than individual participant scores
What type of data is a histogram used for
Continuous frequency data
What’s the difference between a bar graph and histogram
Bars touching vs not touching indicating whether data is continuous - histo or not - bar
What type of data are line graphs used for
Continuous frequency data
What is a line graph useful for
Comparing 2 sets of frequency data on one graph that wouldn’t be easy to see on a histogram
What type of data is a scatter graph used for
Correlation data
What type of graph are the dots connected
Line graph
Normal distribution
Bell showed curve, mean mode and median all lie at the mid point
Positive distribution
The mean is pulled to the right because it’s affected by extreme values
Negative distribution
Skewed to the left, most scored fall below the mean bc effected by extreme values