Create an account
An extra tenth, midway between the given value and the next lower/higher value (9.87 = 9.865/9.875)
An observational study with subjects that are already grouped from existing categories
Mutually exclusive categories, logical and natural order with equal differences between values
Advantages of Mode
Unaffected by extreme scores, is an actual score in the distribution, can use mode with all data
Advantages of Median
Unaffected by extreme scores, can use with ordinal or interval/ratio data (can represent skewed data)
Disadvantages of Median
May not represent data well, value you may not exist as a real score, cannot use with nominal data
Advantages of Mean
Every point contributes to the mean, can be used in equations, unbiased estimate of population
Disadvantages of Mean
Influenced by extreme scores, can be used with interval/ratio, value may not exist in the data
Indicates the spread of distribution and the degree to which scores are clustered about the mean
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together