Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
dot plot {15, 15, 17, 14, 21, 12, 15, 14, 17}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random