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.
Average (87.75, 75.27, 99.95, 63.13, 76.62, 97.48, 64.78, 55.67, 74.16, 69.76)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random