Encyclopedia Brown
Mean, Mode, Median[1]
Encyclopedia Brown and the Case of the Slippery Salamander Compiled by: Terry Sams PESTerry Sams Written by Donald J. Sobol and Illustrated by Brett Helquist.
![Mean, Mode, Median[1]](https://static.fdocuments.net/doc/330x215/546e38f6af79595e068b6b58/mean-mode-median1-5584abfccb147.jpg)